ci: bump docker from 6.0.1 to 6.1.1 in /test/requirements
Bumps [docker](https://github.com/docker/docker-py) from 6.0.1 to 6.1.1.
- [Release notes](https://github.com/docker/docker-py/releases)
- [Commits](https://github.com/docker/docker-py/compare/6.0.1...6.1.1)
---
updated-dependencies:
- dependency-name: docker
dependency-type: direct:production
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>