chore: Update dependency phpunit/phpunit to v12

Author: renovate[bot]

composer.json

@@ -52,7 +52,7 @@
         "phpstan/phpstan-deprecation-rules": "^2.0.3",
         "phpstan/phpstan-doctrine": "^2.0.4",
         "phpstan/phpstan-phpunit": "^2.0.7",
-        "phpunit/phpunit": "^10.5.48",
+        "phpunit/phpunit": "^12.3.1",
         "rector/rector": "^2.1.2",
         "symfony/cache": "^6.4||^7.0"
     },