Bump ruamel-yaml from 0.18.5 to 0.18.6 (#979)

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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/requirements-test-optional.txt

@@ -1,5 +1,5 @@
 h5py==3.10.0; implementation_name=='cpython'
 numpy==1.26.3
 pandas==2.2.0; implementation_name=='cpython'
-ruamel.yaml==0.18.5
+ruamel.yaml==0.18.6
 tables==3.9.2; implementation_name=='cpython'