Update composer.json

Author: rennokki

composer.json

@@ -39,7 +39,7 @@
     },
     "require-dev": {
         "mockery/mockery": "^1.5",
-        "orchestra/testbench": "^7.0",
+        "orchestra/testbench": "^6.28|^7.0",
         "orchestra/testbench": "^6.28|^7.0",
         "orchestra/testbench-core": "^6.28|^7.0",
         "phpunit/phpunit": "^9.5.13"