The jobparser sub package in act is only used by Gitea. Move it to Gitea
to make it more easier to maintain.
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Co-authored-by: Christopher Homberger <christopher.homberger@web.de>
Use a helper method around the jobparser for parsing a single job
structure from an ActionRunJob
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Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>