Update phpunit dependency

Author: Tob0t

composer.json

@@ -19,7 +19,7 @@
     },
     "require-dev": {
         "mockery/mockery": "^1.2.3",
-        "phpunit/phpunit": "^8.0 || ^9.5 || ^10.5"
+        "phpunit/phpunit": "^8.0 || ^9.5 || ^10.5 || ^11.0 || ^12.0"
     },
     "autoload": {
         "psr-4": {