Pin AI logic app React verion to 19.2.1

Author: dlarocque

ai/ai-react-app/package.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "firebase": "12.2.1",
     "immer": "^10.1.1",
-    "react": "^19.0.0",
+    "react": "19.2.1",
     "react-dom": "^19.0.0"
   },
   "devDependencies": {