chore(next-app-router-example): use exact version for internal deps (#6479)

Author: calebpollman

examples/next-app-router/package.json

@@ -9,8 +9,8 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@aws-amplify/ui-react": "^6.1.0",
-    "@aws-amplify/ui-react-storage": "^3.8.1",
+    "@aws-amplify/ui-react": "6.9.5",
+    "@aws-amplify/ui-react-storage": "3.9.1",
     "react": "^18.3.0",
     "next": "^14.2.25",
     "react-dom": "^18",