#16 Remove extra dev dependency

Author: alies-dev

composer.json

@@ -13,9 +13,8 @@
         "laravel/nova": "^3.0"
     },
     "require-dev": {
-        "mockery/mockery": "^1.4",
         "orchestra/testbench": "^6.0",
-        "phpunit/phpunit": "^9.4"
+        "phpunit/phpunit": "^9.5"
     },
     "repositories": [
         {