Update to phpunit 12

Author: Seldaek

composer.json

@@ -93,7 +93,7 @@
         "phpstan/phpstan-doctrine": "^2",
         "phpstan/phpstan-symfony": "^2",
         "phpstan/phpstan-webmozart-assert": "^2",
-        "phpunit/phpunit": "^11.0",
+        "phpunit/phpunit": "^12.1",
         "staabm/phpstan-dba": "^0.3",
         "staabm/phpstan-todo-by": "^0.2",
         "symfony/browser-kit": "^7",