Added PHPunit 12 as dev dependency when possible

Author: rotexdegba

composer.json

@@ -14,7 +14,7 @@
         "php": ">=8.2.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^11.0",
+        "phpunit/phpunit": "^12.0 || ^11.0",
         "php-coveralls/php-coveralls": "^2.0",
         "vimeo/psalm": "^6.0",
         "rector/rector": "^2.0.17"