chore: update dependencies

Author: technote-space

composer.json

@@ -44,7 +44,7 @@
         "phpmd/phpmd": "^2.9",
         "phpunit/phpunit": "^9.3",
         "squizlabs/php_codesniffer": "^3.5",
-        "orchestra/testbench": "^5.5",
+        "orchestra/testbench": "^6.0",
         "technote/laravel-search-helper": "^0.2.13"
     },
     "scripts": {