Bump python-whois from 0.8.0 to 0.9.0 in /docker/ippysocks-py3

Bumps [python-whois](https://github.com/richardpenman/whois) from 0.8.0 to 0.9.0.
- [Commits](https://github.com/richardpenman/whois/commits)

---
updated-dependencies:
- dependency-name: python-whois
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>