Build(deps): Bump ruamel-yaml from 0.18.5 to 0.18.6

Bumps [ruamel-yaml]() from 0.18.5 to 0.18.6.

---
updated-dependencies:
- dependency-name: ruamel-yaml
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements/requirements-test.txt

@@ -3,4 +3,4 @@ coverage==7.4.1
 GitPython==3.1.41
 pytest-cov==4.1.0
 pytest==8.0.0
-ruamel.yaml==0.18.5
+ruamel.yaml==0.18.6