chore: bump genkit version to [email protected]

Author: Automated Version Bump

js/genkit/package.json

@@ -7,7 +7,7 @@
     "genai",
     "generative-ai"
   ],
-  "version": "1.0.0-rc.5",
+  "version": "1.0.0-rc.6",
   "type": "commonjs",
   "main": "./lib/cjs/index.js",
   "scripts": {