chore(deps): bump swagger-ui from 5.20.1 to 5.20.6

Bumps [swagger-ui](https://github.com/swagger-api/swagger-ui) from 5.20.1 to 5.20.6.
- [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@v5.20.1...v5.20.6)

---
updated-dependencies:
- dependency-name: swagger-ui
  dependency-version: 5.20.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]