Bump @testing-library/user-event from 7.2.1 to 13.1.9 in /api/front-end

Bumps [@testing-library/user-event](https://github.com/testing-library/user-event) from 7.2.1 to 13.1.9.
- [Release notes](https://github.com/testing-library/user-event/releases)
- [Changelog](https://github.com/testing-library/user-event/blob/master/CHANGELOG.md)
- [Commits](testing-library/user-event@v7.2.1...v13.1.9)

---
updated-dependencies:
- dependency-name: "@testing-library/user-event"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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