Bump dompurify and swagger-ui in /frontend

Bumps [dompurify](https://github.com/cure53/DOMPurify) to 3.1.6 and updates ancestor dependency [swagger-ui](https://github.com/swagger-api/swagger-ui). These dependencies need to be updated together.


Updates `dompurify` from 3.0.2 to 3.1.6
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.0.2...3.1.6)

Updates `swagger-ui` from 4.19.1 to 5.18.2
- [Release notes](https://github.com/swagger-api/swagger-ui/releases)
- [Changelog](https://github.com/swagger-api/swagger-ui/blob/master/.releaserc)
- [Commits](swagger-api/swagger-ui@v4.19.1...v5.18.2)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-type: indirect
- dependency-name: swagger-ui
  dependency-type: direct:production
...

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