chore(deps): bump next

Bumps the npm_and_yarn group with 1 update in the /frontend directory: [next](https://github.com/vercel/next.js).


Updates `next` from 16.2.2 to 16.2.3
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/compare/v16.2.2...v16.2.3)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.2.3
  dependency-type: direct:production
  dependency-group: npm_and_yarn
...

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

frontend/package.json

@@ -14,7 +14,7 @@
     "@tanstack/react-query": "^5.99.0",
     "axios": "^1.15.0",
     "lucide-react": "^1.8.0",
-    "next": "16.2.2",
+    "next": "16.2.3",
     "react": "19.2.4",
     "react-dom": "19.2.4",
     "zustand": "^5.0.12"