We don't need Testbench 9 anymore

Author: duncanmcclean

composer.json

@@ -20,7 +20,7 @@
     },
     "require-dev": {
         "laravel/pint": "^1.18",
-        "orchestra/testbench": "^9.6.1 || ^10.0",
+        "orchestra/testbench": "^10.0",
         "phpunit/phpunit": "^11.0",
         "spatie/laravel-ray": "^1.39"
     },