chore(phpstan): upgrade PHPStan to v2.0

composer.json

@@ -11,24 +11,24 @@
   ],
   "type": "wordpress-plugin",
   "require": {
-    "php": ">=5.5",
+    "php": ">=8.0",
     "google/apiclient": "^2.16"
   },
   "require-dev": {
     "phpunit/phpunit": "^7.5 || ^9.5",
     "yoast/phpunit-polyfills": "^2.0",
     "squizlabs/php_codesniffer": "^3.7",
     "wp-coding-standards/wpcs": "^3.0",
-    "phpstan/phpstan": "^1.12",
-    "szepeviktor/phpstan-wordpress": "^1.3",
+    "phpstan/phpstan": "^2.0",
+    "szepeviktor/phpstan-wordpress": "2.x-dev",
     "phpstan/extension-installer": "^1.3",
-    "phpstan/phpstan-deprecation-rules": "^1.2"
+    "phpstan/phpstan-deprecation-rules": "^2.0"
   },
   "license": "GPL-3.0+",
   "authors": [
     {
-      "name": "SECT WEB INTERACTIVE",
-      "homepage": "https://www.ilovesect.com/"
+      "name": "sect",
+      "homepage": "https://github.com/sectsect"
     }
   ],
   "config": {