chore(deps): update dependency phpunit/phpunit to v12 [security]

Author: renovate[bot]

composer.json

@@ -46,7 +46,7 @@
     "phpmd/phpmd": "^2.10",
     "phpstan/phpstan": "^0.12.92",
     "phpstan/phpstan-phpunit": "^0.12.17",
-    "phpunit/phpunit": "^9",
+    "phpunit/phpunit": "^12",
     "symfony/browser-kit": "5.4.*",
     "symfony/css-selector": "5.4.*",
     "symfony/maker-bundle": "^1.29",