[add] support for PHPUnit 11 & 12

Author: rvalitov

composer.json

@@ -23,7 +23,7 @@
         "symfony/http-foundation": "^6.0 || ^6.2 || ^7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.0.0 || ^10.0.0",
+        "phpunit/phpunit": "^9.0.0 || ^10.0.0 || ^11.0.0 || ^12.0.0",
         "squizlabs/php_codesniffer": "^3.5.8"
     },
     "autoload": {