chore(deps): update dependency phpunit/phpunit to v12

Author: renovate[bot]

composer.json

@@ -23,7 +23,7 @@
         "phpstan/phpstan-deprecation-rules": "^2.0",
         "phpstan/phpstan-phpunit": "^2.0",
         "phpstan/phpstan-strict-rules": "^2.0",
-        "phpunit/phpunit": "^11.2.8",
+        "phpunit/phpunit": "^12.5.4",
         "rector/rector": "^2.3"
     },
     "minimum-stability": "stable",