chore: bump next from 14.1.4 to 14.2.8

Bumps [next](https://github.com/vercel/next.js) from 14.1.4 to 14.2.8.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.1.4...v14.2.8)

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

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

package.json

@@ -15,7 +15,7 @@
     "@mui/material": "^5.16.7",
     "chart.js": "^4.4.4",
     "chartjs-plugin-annotation": "^3.0.1",
-    "next": "14.1.4",
+    "next": "14.2.8",
     "react": "^18",
     "react-dom": "^18"
   },