Bump docker from 6.0.1 to 6.1.1

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](docker/docker-py@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>

Author: dependabot[bot]

pyproject.toml

@@ -283,7 +283,7 @@ dev = [
     # We pin to an old doc8 to avoid version conflicts with sphinx_toolbox.
     # When we bump this, we can remove doc8.ini.
     "doc8==0.11.2",
-    "docker==6.0.1",
+    "docker==6.1.1",
     "dodgy==0.2.1",
     "enum-tools[sphinx]==0.9.0.post1",
     "freezegun==1.2.2",