New comment by 0x5c on void-packages repository

https://github.com/void-linux/void-packages/pull/37174#issuecomment-1131955978

Comment:
> > It may allow for other container backends in the future, but currently it's only docker ([nektos/act#303](https://github.com/nektos/act/issues/303))
> 
> It allows for other container backends already, it just needs to have Docker Engine compatible API and connection option, e.g. `DOCKER_HOST=unix:///var/run/podman.sock`
> https://github.com/nektos/act/wiki/Custom-container-engine

So it wouldn't be a good idea to add a dependency on docker

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This PR should be ready to merge