fix(deps): bump @react-router/fs-routes in /frontend

Bumps [@react-router/fs-routes](https://github.com/remix-run/react-router/tree/HEAD/packages/react-router-fs-routes) from 7.8.0 to 7.13.1.
- [Release notes](https://github.com/remix-run/react-router/releases)
- [Changelog](https://github.com/remix-run/react-router/blob/main/packages/react-router-fs-routes/CHANGELOG.md)
- [Commits](https://github.com/remix-run/react-router/commits/@react-router/fs-routes@7.13.1/packages/react-router-fs-routes)

---
updated-dependencies:
- dependency-name: "@react-router/fs-routes"
  dependency-version: 7.13.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]