[npm] Bump next from 16.1.5 to 16.1.6 in /tts/tts-next-js-agora

Bumps [next](https://github.com/vercel/next.js) from 16.1.5 to 16.1.6.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.1.5...v16.1.6)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.1.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

tts/tts-next-js-agora/package-lock.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "agora-rtc-react": "^2.5.1",
     "agora-token": "^2.0.2",
-    "next": "16.1.5",
+    "next": "16.1.6",
     "react": "19.2.3",
     "react-dom": "19.2.3"
   },