build(deps): bump next in /frontend in the npm_and_yarn group

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


Updates `next` from 13.5.7 to 15.0.4
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v13.5.7...v15.0.4)

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

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

Author: dependabot[bot]