chore: bump @genkit-ai/checks version to @genkit-ai/[email protected]

Author: Automated Version Bump

js/plugins/checks/package.json

@@ -13,7 +13,7 @@
     "google checks",
     "guardrails"
   ],
-  "version": "1.9.0",
+  "version": "1.9.1-rc.0",
   "type": "commonjs",
   "scripts": {
     "check": "tsc",