chore(deps): bump next in /examples/with-assistant-transport

Bumps [next](https://github.com/vercel/next.js) from 16.1.0 to 16.2.5.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.1.0...v16.2.5)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.2.5
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

examples/with-assistant-transport/package.json

@@ -19,7 +19,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^0.562.0",
-    "next": "16.1.0",
+    "next": "16.2.5",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "remark-gfm": "^4.0.1",