Update dependency phpunit/phpunit to v11

Author: renovate[bot]

composer.json

@@ -25,7 +25,7 @@
         "phpstan/phpstan-phpunit": "^1.0",
         "phpstan/phpstan-strict-rules": "^1.1",
         "phpstan/extension-installer": "^1.1",
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^11.0",
         "roave/security-advisories": "dev-latest"
     },
     "scripts": {