chore(deps): bump next from 14.2.5 to 14.2.15 in /examples/next

Bumps [next](https://github.com/vercel/next.js) from 14.2.5 to 14.2.15.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.5...v14.2.15)

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

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

examples/next/package.json

@@ -9,7 +9,7 @@
         "start": "next start"
     },
     "dependencies": {
-        "next": "14.2.5",
+        "next": "14.2.15",
         "react": "^18.3.1",
         "react-dom": "^18.3.1"
     },