Update dependency phpstan/phpstan to ^2.1.34

Author: renovate[bot]

composer.json

@@ -88,7 +88,7 @@
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.92.5",
         "phpstan/extension-installer": "^1.4.3",
-        "phpstan/phpstan": "^2.1.33",
+        "phpstan/phpstan": "^2.1.34",
         "phpstan/phpstan-symfony": "^2.0.9",
         "phpunit/phpunit": "^11.5.46",
         "symfony/browser-kit": "^7.3.6",