diff --git a/package.json b/package.json
index 3b149c03d..9e509ba38 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,7 @@
     "chalk": "^3.0.0",
     "chokidar": "^3.3.0",
     "codemirror": "^5.48.2",
-    "compression-webpack-plugin": "^3.0.1",
+    "compression-webpack-plugin": "^4.0.0",
     "copy-to-clipboard": "^3.2.0",
     "copy-webpack-plugin": "^5.0.4",
     "css-loader": "^3.3.2",
diff --git a/yarn.lock b/yarn.lock
index 746a62dce..26dfe11ce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1994,6 +1994,16 @@ ajv@*, ajv@^6.1.0, ajv@^6.10.0, ajv@^6.10.2, ajv@^6.5.5, ajv@^6.6.2:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
+ajv@^6.12.0:
+  version "6.12.2"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.2.tgz#c629c5eced17baf314437918d2da88c99d5958cd"
+  integrity sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
 algoliasearch@^3.24.5:
   version "3.33.0"
   resolved "https://registry.yarnpkg.com/algoliasearch/-/algoliasearch-3.33.0.tgz#83b541124ebb0db54643009d4e660866b3177cdf"
@@ -3122,28 +3132,27 @@ cacache@^12.0.2:
     unique-filename "^1.1.1"
     y18n "^4.0.0"
 
-cacache@^13.0.1:
-  version "13.0.1"
-  resolved "https://registry.yarnpkg.com/cacache/-/cacache-13.0.1.tgz#a8000c21697089082f85287a1aec6e382024a71c"
-  integrity sha512-5ZvAxd05HDDU+y9BVvcqYu2LLXmPnQ0hW62h32g4xBTgL/MppR4/04NHfj/ycM2y6lmTnbw6HVi+1eN0Psba6w==
+cacache@^15.0.3:
+  version "15.0.3"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-15.0.3.tgz#2225c2d1dd8e872339950d6a39c051e0e9334392"
+  integrity sha512-bc3jKYjqv7k4pWh7I/ixIjfcjPul4V4jme/WbjvwGS5LzoPL/GzXr4C5EgPNLO/QEZl9Oi61iGitYEdwcrwLCQ==
   dependencies:
-    chownr "^1.1.2"
-    figgy-pudding "^3.5.1"
+    chownr "^2.0.0"
     fs-minipass "^2.0.0"
     glob "^7.1.4"
-    graceful-fs "^4.2.2"
     infer-owner "^1.0.4"
     lru-cache "^5.1.1"
-    minipass "^3.0.0"
+    minipass "^3.1.1"
     minipass-collect "^1.0.2"
     minipass-flush "^1.0.5"
     minipass-pipeline "^1.2.2"
-    mkdirp "^0.5.1"
-    move-concurrently "^1.0.1"
-    p-map "^3.0.0"
+    mkdirp "^1.0.3"
+    move-file "^2.0.0"
+    p-map "^4.0.0"
     promise-inflight "^1.0.1"
-    rimraf "^2.7.1"
-    ssri "^7.0.0"
+    rimraf "^3.0.2"
+    ssri "^8.0.0"
+    tar "^6.0.2"
     unique-filename "^1.1.1"
 
 cache-base@^1.0.1:
@@ -3428,10 +3437,10 @@ chownr@^1.1.1:
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.2.tgz#a18f1e0b269c8a6a5d3c86eb298beb14c3dd7bf6"
   integrity sha512-GkfeAQh+QNy3wquu9oIZr6SS5x7wGdSgNQvD10X3r+AZr1Oys22HW8kAmDMvNg2+Dm0TeGaEuO8gFwdBXxwO8A==
 
-chownr@^1.1.2:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.3.tgz#42d837d5239688d55f303003a508230fa6727142"
-  integrity sha512-i70fVHhmV3DtTl6nqvZOnIjbY0Pe4kAUjwHj8z0zAdgBtYrJyYwLKCCuRBQ5ppkyL0AkN7HKRnETdmdp1zqNXw==
+chownr@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-2.0.0.tgz#15bfbe53d2eab4cf70f18a8cd68ebe5b3cb1dece"
+  integrity sha512-bIomtDF5KGpdogkLd9VspvFzk9KfpyyGlS8YFVZl7TGPBHL5snIOnxeshwVgPteQ9b4Eydl+pVbIyE1DcvCWgQ==
 
 chrome-trace-event@^1.0.2:
   version "1.0.2"
@@ -3697,17 +3706,16 @@ compressible@~2.0.16:
   dependencies:
     mime-db ">= 1.40.0 < 2"
 
-compression-webpack-plugin@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/compression-webpack-plugin/-/compression-webpack-plugin-3.0.1.tgz#be7a343e6dfbccbd64a77c5fbe29627d140fc321"
-  integrity sha512-FOwoBVzDiwSdJDnZTKXDpAjJU90k8SbChgxnoiYwTo15xjIDJkSC8wFKuc13DymXjgasPEqzS5+2RUgSKXdKKA==
+compression-webpack-plugin@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/compression-webpack-plugin/-/compression-webpack-plugin-4.0.0.tgz#7599f592050002a49cd3ad3ee18ae7371e266bca"
+  integrity sha512-DRoFQNTkQ8gadlk117Y2wxANU+MDY56b1FIZj/yJXucBOTViTHXjthM7G9ocnitksk4kLzt1N2RLF0gDjxI+hg==
   dependencies:
-    cacache "^13.0.1"
-    find-cache-dir "^3.0.0"
-    neo-async "^2.5.0"
-    schema-utils "^2.6.1"
-    serialize-javascript "^2.1.2"
-    webpack-sources "^1.0.1"
+    cacache "^15.0.3"
+    find-cache-dir "^3.3.1"
+    schema-utils "^2.6.6"
+    serialize-javascript "^3.0.0"
+    webpack-sources "^1.4.3"
 
 compression@^1.7.4:
   version "1.7.4"
@@ -5600,6 +5608,11 @@ fast-deep-equal@^2.0.1:
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
   integrity sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=
 
+fast-deep-equal@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz#545145077c501491e33b15ec408c294376e94ae4"
+  integrity sha512-8UEa58QDLauDNfpbrX55Q9jrGHThw2ZMdOky5Gl1CDtVeJDPVrG4Jxx1N8jw2gkWaff5UUuX1KJd+9zGe2B+ZA==
+
 fast-glob@^2.2.6:
   version "2.2.7"
   resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-2.2.7.tgz#6953857c3afa475fff92ee6015d52da70a4cd39d"
@@ -5750,13 +5763,13 @@ find-cache-dir@^2.0.0, find-cache-dir@^2.1.0:
     make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
-find-cache-dir@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-3.0.0.tgz#cd4b7dd97b7185b7e17dbfe2d6e4115ee3eeb8fc"
-  integrity sha512-t7ulV1fmbxh5G9l/492O1p5+EBbr3uwpt6odhFTMc+nWyhmbloe+ja9BZ8pIBtqFWhOmCWVjx+pTW4zDkFoclw==
+find-cache-dir@^3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-3.3.1.tgz#89b33fad4a4670daa94f855f7fbe31d6d84fe880"
+  integrity sha512-t2GDMt3oGC/v+BMwzmllWDuJF/xcDtE5j/fCGbqDD7OLuJkj0cfh1YSA5VKPvwMeLFLNDBkwOKZ2X85jGLVftQ==
   dependencies:
     commondir "^1.0.1"
-    make-dir "^3.0.0"
+    make-dir "^3.0.2"
     pkg-dir "^4.1.0"
 
 find-up@^1.0.0:
@@ -6278,11 +6291,6 @@ graceful-fs@^4.2.0:
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.1.tgz#1c1f0c364882c868f5bff6512146328336a11b1d"
   integrity sha512-b9usnbDGnD928gJB3LrCmxoibr3VE4U2SMo5PBuBnokWyDADTqDPXg4YpwKF1trpH+UbGp7QLicO3+aWEy0+mw==
 
-graceful-fs@^4.2.2:
-  version "4.2.3"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
-  integrity sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
-
 gray-matter@^4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/gray-matter/-/gray-matter-4.0.2.tgz#9aa379e3acaf421193fce7d2a28cebd4518ac454"
@@ -8416,10 +8424,10 @@ make-dir@^2.0.0, make-dir@^2.1.0:
     pify "^4.0.1"
     semver "^5.6.0"
 
-make-dir@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-3.0.0.tgz#1b5f39f6b9270ed33f9f054c5c0f84304989f801"
-  integrity sha512-grNJDhb8b1Jm1qeqW5R/O63wUo4UXo2v2HMic6YT9i/HBlF93S8jkMgH7yugvY9ABDShH4VZMn8I+U8+fCNegw==
+make-dir@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-3.1.0.tgz#415e967046b3a7f1d185277d84aa58203726a13f"
+  integrity sha512-g3FeP20LNwhALb/6Cz6Dd4F2ngze0jz7tbzrD2wAV+o9FeNHe4rL+yK2md0J/fiSf1sa1ADhXqi5+oVwOM/eGw==
   dependencies:
     semver "^6.0.0"
 
@@ -8779,6 +8787,14 @@ minizlib@^1.2.1:
   dependencies:
     minipass "^2.2.1"
 
+minizlib@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-2.1.0.tgz#fd52c645301ef09a63a2c209697c294c6ce02cf3"
+  integrity sha512-EzTZN/fjSvifSX0SlqUERCN39o6T40AMarPbv0MrarSFtIITCBh7bi+dU8nxGFHuqs9jdIAeoYoKuQAAASsPPA==
+  dependencies:
+    minipass "^3.0.0"
+    yallist "^4.0.0"
+
 mississippi@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-3.0.0.tgz#ea0a3291f97e0b5e8776b363d5f0a12d94c67022"
@@ -8815,6 +8831,11 @@ mkdirp@0.5.x, mkdirp@0.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp
   dependencies:
     minimist "0.0.8"
 
+mkdirp@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
+  integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
+
 moment@^2.18.1:
   version "2.24.0"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.24.0.tgz#0d055d53f5052aa653c9f6eb68bb5d12bf5c2b5b"
@@ -8832,6 +8853,13 @@ move-concurrently@^1.0.1:
     rimraf "^2.5.4"
     run-queue "^1.0.3"
 
+move-file@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/move-file/-/move-file-2.0.0.tgz#83ffa309b5d7f69d518b28e1333e2ffadf331e3e"
+  integrity sha512-cdkdhNCgbP5dvS4tlGxZbD+nloio9GIimP57EjqFhwLcMjnU+XJKAZzlmg/TN/AK1LuNAdTSvm3CPPP4Xkv0iQ==
+  dependencies:
+    path-exists "^4.0.0"
+
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
@@ -9533,10 +9561,10 @@ p-map@^2.0.0:
   resolved "https://registry.yarnpkg.com/p-map/-/p-map-2.1.0.tgz#310928feef9c9ecc65b68b17693018a665cea175"
   integrity sha512-y3b8Kpd8OAN444hxfBbFfj1FY/RjtTd8tzYwhUqNYXx0fXx2iX4maP4Qr6qhIKbQXI02wTLAda4fYUbDagTUFw==
 
-p-map@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/p-map/-/p-map-3.0.0.tgz#d704d9af8a2ba684e2600d9a215983d4141a979d"
-  integrity sha512-d3qXVTF/s+W+CdJ5A29wywV2n8CQQYahlgz2bFiA+4eVNJbHJodPZ+/gXwPGh0bOqA+j8S+6+ckmvLGPk1QpxQ==
+p-map@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/p-map/-/p-map-4.0.0.tgz#bb2f95a5eda2ec168ec9274e06a747c3e2904d2b"
+  integrity sha512-/bjOqmgETBYB5BoEeGVea8dmvHb2m9GLy1E9W43yeyfP6QQCZGFNa+XRceJEuDB6zqr+gKpIAmlLebMpykw/MQ==
   dependencies:
     aggregate-error "^3.0.0"
 
@@ -11108,13 +11136,6 @@ rimraf@2, rimraf@2.6.3, rimraf@^2.5.4, rimraf@^2.6.1, rimraf@^2.6.3:
   dependencies:
     glob "^7.1.3"
 
-rimraf@^2.7.1:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
-  integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
-  dependencies:
-    glob "^7.1.3"
-
 rimraf@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.0.tgz#614176d4b3010b75e5c390eb0ee96f6dc0cebb9b"
@@ -11122,6 +11143,13 @@ rimraf@^3.0.0:
   dependencies:
     glob "^7.1.3"
 
+rimraf@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-3.0.2.tgz#f1a5402ba6220ad52cc1282bac1ae3aa49fd061a"
+  integrity sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==
+  dependencies:
+    glob "^7.1.3"
+
 ripemd160@^2.0.0, ripemd160@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-2.0.2.tgz#a1c1a6f624751577ba5d07914cbc92850585890c"
@@ -11263,7 +11291,7 @@ schema-utils@^2.0.1:
     ajv "^6.1.0"
     ajv-keywords "^3.1.0"
 
-schema-utils@^2.1.0, schema-utils@^2.5.0, schema-utils@^2.6.0, schema-utils@^2.6.1:
+schema-utils@^2.1.0, schema-utils@^2.5.0, schema-utils@^2.6.0:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.1.tgz#eb78f0b945c7bcfa2082b3565e8db3548011dc4f"
   integrity sha512-0WXHDs1VDJyo+Zqs9TKLKyD/h7yDpHUhEFsM2CzkICFdoX1av+GBq/J2xRTFfsQO5kBfhZzANf2VcIm84jqDbg==
@@ -11271,6 +11299,14 @@ schema-utils@^2.1.0, schema-utils@^2.5.0, schema-utils@^2.6.0, schema-utils@^2.6
     ajv "^6.10.2"
     ajv-keywords "^3.4.1"
 
+schema-utils@^2.6.6:
+  version "2.6.6"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-2.6.6.tgz#299fe6bd4a3365dc23d99fd446caff8f1d6c330c"
+  integrity sha512-wHutF/WPSbIi9x6ctjGGk2Hvl0VOz5l3EKEuKbjPlB30mKZUzb9A5k9yEXRX3pwyqVLPvpfZZEllaFq/M718hA==
+  dependencies:
+    ajv "^6.12.0"
+    ajv-keywords "^3.4.1"
+
 scss-tokenizer@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/scss-tokenizer/-/scss-tokenizer-0.2.3.tgz#8eb06db9a9723333824d3f5530641149847ce5d1"
@@ -11366,10 +11402,10 @@ serialize-javascript@^1.3.0, serialize-javascript@^1.7.0:
   resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.7.0.tgz#d6e0dfb2a3832a8c94468e6eb1db97e55a192a65"
   integrity sha512-ke8UG8ulpFOxO8f8gRYabHQe/ZntKlcig2Mp+8+URDP1D8vJZ0KUt7LYo07q25Z/+JVSgpr/cui9PIp5H6/+nA==
 
-serialize-javascript@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-2.1.2.tgz#ecec53b0e0317bdc95ef76ab7074b7384785fa61"
-  integrity sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==
+serialize-javascript@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-3.0.0.tgz#492e489a2d77b7b804ad391a5f5d97870952548e"
+  integrity sha512-skZcHYw2vEX4bw90nAr2iTTsz6x2SrHEnfxgKYmZlvJYBEZrvbKtobJWlQ20zczKb3bsHHXXTYt48zBA7ni9cw==
 
 serve-index@^1.9.1:
   version "1.9.1"
@@ -11775,12 +11811,11 @@ ssri@^6.0.1:
   dependencies:
     figgy-pudding "^3.5.1"
 
-ssri@^7.0.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/ssri/-/ssri-7.1.0.tgz#92c241bf6de82365b5c7fb4bd76e975522e1294d"
-  integrity sha512-77/WrDZUWocK0mvA5NTRQyveUf+wsrIc6vyrxpS8tVvYBcX215QbafrJR3KtkpskIzoFLqqNuuYQvxaMjXJ/0g==
+ssri@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-8.0.0.tgz#79ca74e21f8ceaeddfcb4b90143c458b8d988808"
+  integrity sha512-aq/pz989nxVYwn16Tsbj1TqFpD5LLrQxHf5zaHuieFV+R0Bbr4y8qUsOA45hXT/N4/9UNXTarBjnjVmjSOVaAA==
   dependencies:
-    figgy-pudding "^3.5.1"
     minipass "^3.1.1"
 
 stable@^0.1.8:
@@ -12174,6 +12209,18 @@ tar@^4:
     safe-buffer "^5.1.2"
     yallist "^3.0.3"
 
+tar@^6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-6.0.2.tgz#5df17813468a6264ff14f766886c622b84ae2f39"
+  integrity sha512-Glo3jkRtPcvpDlAs/0+hozav78yoXKFr+c4wgw62NNMO3oo4AaJdCo21Uu7lcwr55h39W2XD1LMERc64wtbItg==
+  dependencies:
+    chownr "^2.0.0"
+    fs-minipass "^2.0.0"
+    minipass "^3.0.0"
+    minizlib "^2.1.0"
+    mkdirp "^1.0.3"
+    yallist "^4.0.0"
+
 terser-webpack-plugin@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/terser-webpack-plugin/-/terser-webpack-plugin-1.4.1.tgz#61b18e40eaee5be97e771cdbb10ed1280888c2b4"
@@ -13192,14 +13239,6 @@ webpack-merge@^4.1.2, webpack-merge@^4.2.1:
   dependencies:
     lodash "^4.17.5"
 
-webpack-sources@^1.0.1:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"
-  integrity sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==
-  dependencies:
-    source-list-map "^2.0.0"
-    source-map "~0.6.1"
-
 webpack-sources@^1.1.0, webpack-sources@^1.4.0, webpack-sources@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.1.tgz#b91b2c5b1c4e890ff50d1d35b7fa3657040da1da"
@@ -13208,6 +13247,14 @@ webpack-sources@^1.1.0, webpack-sources@^1.4.0, webpack-sources@^1.4.1:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
+webpack-sources@^1.4.3:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"
+  integrity sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==
+  dependencies:
+    source-list-map "^2.0.0"
+    source-map "~0.6.1"
+
 webpack@^4.39.1, webpack@^4.8.1:
   version "4.39.1"
   resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.39.1.tgz#60ed9fb2b72cd60f26ea526c404d2a4cc97a1bd8"