chore(deps): Bump the next group across 1 directory with 2 updates

Bumps the next group with 2 updates in the / directory: [@next/third-parties](https://github.com/vercel/next.js/tree/HEAD/packages/third-parties) and [next](https://github.com/vercel/next.js).


Updates `@next/third-parties` from 15.1.0 to 15.1.2
- [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/commits/v15.1.2/packages/third-parties)

Updates `next` from 15.1.0 to 15.1.2
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.1.0...v15.1.2)

---
updated-dependencies:
- dependency-name: "@next/third-parties"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next
...

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

package.json

@@ -55,9 +55,9 @@
     "@mui/material-nextjs": "6.2.0",
     "@mui/x-charts": "7.23.2",
     "@mui/x-date-pickers": "7.23.2",
-    "@next/third-parties": "15.1.0",
+    "@next/third-parties": "15.1.2",
     "dayjs": "1.11.13",
-    "next": "15.1.0",
+    "next": "15.1.2",
     "next-intl": "3.26.2",
     "react": "19.0.0",
     "react-dom": "19.0.0",