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

Author: renovate[bot]

composer.json

@@ -31,7 +31,7 @@
         "phpstan/extension-installer": "^1.1",
         "phpstan/phpstan": "^2.0",
         "phpstan/phpstan-phpunit": "^2.0.0",
-        "phpunit/phpunit": "^11.0",
+        "phpunit/phpunit": "^12.0",
         "shipmonk/composer-dependency-analyser": "^1.5"
     },
     "autoload": {