chore(deps): bump next from 16.1.2 to 16.1.5 in /apps/docs

Bumps [next](https://github.com/vercel/next.js) from 16.1.2 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@v16.1.2...v16.1.5)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

apps/docs/package.json

@@ -33,7 +33,7 @@
     "date-fns": "^4.1.0",
     "eslint-config-next": "16.1.2",
     "lucide-react": "^0.562.0",
-    "next": "16.1.2",
+    "next": "16.1.5",
     "next-themes": "^0.4.6",
     "prism-react-renderer": "^2.4.1",
     "react": "^19.2.3",