Update phpstan to 2.0

Author: szvsky

composer.json

@@ -19,8 +19,8 @@
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.64",
-        "phpstan/phpstan": "^1.12",
-        "phpstan/phpstan-strict-rules": "^1.6",
+        "phpstan/phpstan": "^2.0.x-dev",
+        "phpstan/phpstan-strict-rules": "^2.0.x-dev",
         "phpunit/phpunit": "^11.3",
         "symplify/monorepo-builder": "^11.2"
     },