update composer.json

Author: mkeremcansev

composer.json

@@ -37,7 +37,7 @@
         "laravel/legacy-factories": "^1.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^6.13|^7.0|^8.0",
+        "orchestra/testbench": "^6.13|^7.0|^8.0|^9.0",
         "phpunit/phpunit": "^9.5.2"
     },
     "autoload": {