chore(deps): bump phpunit version

Author: ubill-ci[bot]

composer.json

@@ -30,7 +30,7 @@
         "guzzlehttp/psr7": "^1.7 || ^2.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.0 || ^9.0",
+        "phpunit/phpunit": "^12.2",
         "friendsofphp/php-cs-fixer": "^3.5"
     },
     "autoload": {