build(deps): bump next from 15.4.8 to 16.1.5 in /examples/nextjs-app

Bumps [next](https://github.com/vercel/next.js) from 15.4.8 to 16.1.5.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.4.8...v16.1.5)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.1.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

examples/nextjs-app/package-lock.json

@@ -16,7 +16,7 @@
     "@toruslabs/torus.js": "^17.0.0",
     "@uiw/react-json-view": "^2.0.0-alpha.30",
     "error": "10.4.0",
-    "next": "^15.4.8",
+    "next": "^15.5.10",
     "react": "^18.3.1",
     "react-dom": "^18.3.1"
   },