requirements: Use ruamel.yaml <= 0.14.X for now
requirements: Use ruamel.yaml <= 0.14.X for now

Thank you for using ruamel.yaml.

There will be API changes in the 0.15+ versions, that might lead to warnings that
your users could see.
Therefore please release a version of your package with this change, so that it will not
automatically take the latest ruamel.yaml release.

scikit-build/scikit-ci