chore: bump @genkit-ai/ai version to @genkit-ai/ai@1.5.0

Author: Automated Version Bump

js/ai/package.json

@@ -7,7 +7,7 @@
     "genai",
     "generative-ai"
   ],
-  "version": "1.4.0",
+  "version": "1.5.0",
   "type": "commonjs",
   "scripts": {
     "check": "tsc",