Adds an explicit config option to specify the directory below which action contents will be cached. If left empty the previous location at `$XDG_CACHE_HOME/act` or `$HOME/.cache/act` will be used respectively. Required to resolve gitea/act_runner#235 Co-authored-by: Marius Zwicker <marius@mlba-team.de> Reviewed-on: https://gitea.com/gitea/act/pulls/65 Reviewed-by: Jason Song <i@wolfogre.com> Co-authored-by: Marius Zwicker <emzeat@noreply.gitea.com> Co-committed-by: Marius Zwicker <emzeat@noreply.gitea.com>