Merge pull request #38 from InteractionDesignFoundation/renovate/orchestra-testbench-9.x

Update dependency orchestra/testbench to v9

Author: alies-dev

composer.json

@@ -15,7 +15,7 @@
     },
     "require-dev": {
         "interaction-design-foundation/coding-standard": "^0.2.0",
-        "orchestra/testbench": "^8.3",
+        "orchestra/testbench": "^9.0",
         "phpunit/phpunit": "^10.5 || ^11.0",
         "vimeo/psalm": "^5.22"
     },