Bump dompurify and swagger-ui in /helloworld-web-jhipster

Bumps [dompurify](https://github.com/cure53/DOMPurify) to 3.2.4 and updates ancestor dependency [swagger-ui](https://github.com/swagger-api/swagger-ui). These dependencies need to be updated together.


Updates `dompurify` from 3.1.4 to 3.2.4
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@3.1.4...3.2.4)

Updates `swagger-ui` from 5.17.14 to 5.20.2
- [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@v5.17.14...v5.20.2)

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

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

Author: dependabot[bot]