chore(deps): bump next from 14.2.35 to 16.1.5

Bumps [next](https://github.com/vercel/next.js) from 14.2.35 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](https://github.com/vercel/next.js/compare/v14.2.35...v16.1.5)

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

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

dashboard/package.json

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "dotenv": "^17.2.3",
-    "next": "^14.2.35",
+    "next": "^16.1.5",
     "react": "^18.3.0",
     "react-dom": "^18.3.0",
     "pg": "^8.16.3",