Update phpunit/phpunit to version 11.5.20

Author: depfu[bot]

composer.json

@@ -34,7 +34,7 @@
         "phpstan/extension-installer": "^1.1",
         "phpstan/phpstan-deprecation-rules": "^1.0",
         "phpstan/phpstan-phpunit": "^1.0",
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^11.5.20",
         "spatie/laravel-ray": "^1.26"
     },
     "autoload": {