ci: bump docker from 6.1.3 to 7.0.0 in /test/requirements

Bumps [docker](https://github.com/docker/docker-py) from 6.1.3 to 7.0.0.
- [Release notes](https://github.com/docker/docker-py/releases)
- [Commits](https://github.com/docker/docker-py/compare/6.1.3...7.0.0)

---
updated-dependencies:
- dependency-name: docker
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

test/requirements/python-requirements.txt

@@ -1,4 +1,4 @@
 backoff==2.2.1
-docker==6.1.3
+docker==7.0.0
 pytest==7.4.3
 requests==2.31.0