Add groundzero dependency and update lean-toolchain

Author: awalterschulze

lake-manifest.json

@@ -4,7 +4,7 @@
  [{"url": "https://github.com/leanprover/std4",
    "type": "git",
    "subDir": null,
-   "rev": "e403f680f0beb8610c29e6f799132e8be880554e",
+   "rev": "0d0ac1c43e1ec1965e0806af9e7a32999ea31096",
    "name": "std",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -13,7 +13,7 @@
   {"url": "https://github.com/leanprover-community/quote4",
    "type": "git",
    "subDir": null,
-   "rev": "d3a1d25f3eba0d93a58d5d3d027ffa78ece07755",
+   "rev": "1c88406514a636d241903e2e288d21dc6d861e01",
    "name": "Qq",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
@@ -22,7 +22,7 @@
   {"url": "https://github.com/leanprover-community/aesop",
    "type": "git",
    "subDir": null,
-   "rev": "bf5ab42a58e71de7ebad399ce3f90d29aae7fca9",
+   "rev": "24a4e8fea81999723bfc38bebf7adc86c2f26c6c",
    "name": "aesop",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
@@ -31,10 +31,10 @@
   {"url": "https://github.com/leanprover-community/ProofWidgets4",
    "type": "git",
    "subDir": null,
-   "rev": "909febc72b4f64628f8d35cd0554f8a90b6e0749",
+   "rev": "8dd18350791c85c0fc9adbd6254c94a81d260d35",
    "name": "proofwidgets",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v0.0.23",
+   "inputRev": "v0.0.25",
    "inherited": true,
    "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover/lean4-cli",
@@ -46,14 +46,32 @@
    "inputRev": "main",
    "inherited": true,
    "configFile": "lakefile.lean"},
+  {"url": "https://github.com/leanprover-community/import-graph.git",
+   "type": "git",
+   "subDir": null,
+   "rev": "7d051a52c49ac25ee5a04c7a2a70148cc95ddab3",
+   "name": "importGraph",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "main",
+   "inherited": true,
+   "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover-community/mathlib4",
    "type": "git",
    "subDir": null,
-   "rev": "bae5525c1ec8a49558336fee73fcfeb006eaa55e",
+   "rev": "19b5ded3c60a6da7b357a126fb56b56671d231e3",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
    "inputRev": null,
    "inherited": false,
+   "configFile": "lakefile.lean"},
+  {"url": "https://github.com/forked-from-1kasper/ground_zero",
+   "type": "git",
+   "subDir": null,
+   "rev": "a3122579f48dc7aa9a65be33d218249569980327",
+   "name": "GroundZero",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "master",
+   "inherited": false,
    "configFile": "lakefile.lean"}],
  "name": "katydid",
  "lakeDir": ".lake"}

lakefile.lean

@@ -9,3 +9,7 @@ lean_lib Katydid
 -- dependencies std4, quote4 are obtained transitively through mathlib4
 require mathlib from git
   "https://github.com/leanprover-community/mathlib4"
+
+-- Homotopy Type Theory
+require GroundZero from git
+  "https://github.com/forked-from-1kasper/ground_zero" @ "master"

lean-toolchain

@@ -1 +1 @@
-leanprover/lean4:v4.3.0-rc2
+leanprover/lean4:v4.5.0-rc1