chore(deps): bump next from 16.2.1 to 16.2.9

Bumps [next](https://github.com/vercel/next.js) from 16.2.1 to 16.2.9.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.2.1...v16.2.9)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.2.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

apps/docs/package.json

@@ -14,7 +14,7 @@
     "fumadocs-mdx": "15.0.10",
     "fumadocs-ui": "16.9.3",
     "lucide-react": "^1.20.0",
-    "next": "16.2.1",
+    "next": "16.2.9",
     "react": "^19.2.7",
     "react-dom": "^19.2.7",
     "tailwind-merge": "^3.6.0"