chore(deps): update dependency phpstan/phpstan to v2

Author: renovate[bot]

composer.json

@@ -86,7 +86,7 @@
   "require-dev": {
     "friendsofphp/php-cs-fixer": "3.75.0",
     "overtrue/phplint": "9.6.2",
-    "phpstan/phpstan": "1.12.25",
+    "phpstan/phpstan": "2.1.15",
     "phpunit/phpunit": "10.5.46",
     "squizlabs/php_codesniffer": "3.13.0"
   }