chore(deps): bump next from 16.1.2 to 16.1.4 in /frontend

Bumps [next](https://github.com/vercel/next.js) from 16.1.2 to 16.1.4.
- [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...v16.1.4)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.1.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -13,7 +13,7 @@
     "@tanstack/react-query": "^5.90.20",
     "date-fns": "^4.1.0",
     "lucide-react": "^0.563.0",
-    "next": "16.1.2",
+    "next": "16.1.5",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "react-hot-toast": "^2.4.1",