chore(deps): Update PHPStan packages to v2

Author: renovate[bot]

composer.json

@@ -27,8 +27,8 @@
     "robinvdvleuten/ulid": "^5.0",
     "phpunit/phpunit": "^11.0",
     "friendsofphp/php-cs-fixer": "^3.35",
-    "phpstan/phpstan": "^1.10",
-    "phpstan/phpstan-phpunit": "^1.3",
+    "phpstan/phpstan": "^2.0",
+    "phpstan/phpstan-phpunit": "^2.0",
     "phpstan/extension-installer": "^1.3"
   },
   "scripts": {