Florian Pfaff

any update on this? The bump of actions/core to the latest version would be nice to get rid of GitHub's warnings when using this action.

We added it because we had the issue that `actions/runner` did not pull the latest image. I will investigate if this is still the case.

> > GitHub actions support the container option > > Is this documented? I believe undocumented stuff only works, but does not mean supported. The [Github Actions documentation](https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idcontaineroptions) states: >...