chore(deps): bump shadcn from 3.7.0 to 3.8.5 in /frontend

Bumps [shadcn](https://github.com/shadcn-ui/ui/tree/HEAD/packages/shadcn) from 3.7.0 to 3.8.5.
- [Release notes](https://github.com/shadcn-ui/ui/releases)
- [Changelog](https://github.com/shadcn-ui/ui/blob/main/packages/shadcn/CHANGELOG.md)
- [Commits](https://github.com/shadcn-ui/ui/commits/shadcn@3.8.5/packages/shadcn)

---
updated-dependencies:
- dependency-name: shadcn
  dependency-version: 3.8.5
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]