chore(deps): bump next from 16.2.12 to 16.3.0 in /frontend

Bumps [next](https://github.com/vercel/next.js) from 16.2.12 to 16.3.0.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Commits](vercel/next.js@v16.2.12...v16.3.0)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]