prefer PR head SHA when running in context of a pull request#23

tpsb wants to merge 1 commit intodflydev:masterdflydev/check-runs-action:masterfrom

tpsb:feature/use-pr-head-when-used-in-pull-requesttpsb/check-runs-action:feature/use-pr-head-when-used-in-pull-requestCopy head branch name to clipboard