build(deps): bump python-keycloak from 5.0.0 to 5.1.1

Bumps [python-keycloak](https://github.com/marcospereirampj/python-keycloak) from 5.0.0 to 5.1.1.
- [Changelog](https://github.com/marcospereirampj/python-keycloak/blob/master/CHANGELOG.md)
- [Commits](marcospereirampj/python-keycloak@v5.0.0...v5.1.1)

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

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