Upgrade Next.js in turborepo-with-hono example. (#1334)

### Description

<!--
✍️ Write a short summary of your work. Screenshots and videos are
welcome!
-->

### Demo URL

<!--
Provide a URL to a live deployment where we can test your PR. If a demo
isn't possible feel free to omit this section.
-->

### Type of Change

- [ ] New Example
- [ ] Example updates (Bug fixes, new features, etc.)
- [ ] Other (changes to the codebase, but not to examples)

### New Example Checklist

- [ ] 🛫 `npm run new-example` was used to create the example
- [ ] 📚 The template wasn't used but I carefuly read the [Adding a new
example](https://github.com/vercel/examples#adding-a-new-example) steps
and implemented them in the example
- [ ] 📱 Is it responsive? Are mobile and tablets considered?

Author: anthonyshew

starter/turborepo-with-hono/apps/web/package.json

@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "@repo/ui": "workspace:*",
-    "next": "15.4.8",
+    "next": "16.0.7",
     "react": "^19.1.0",
     "react-dom": "^19.1.0"
   },