request from @efasel [in slack](https://springernature.slack.com/archives/C01DWDGRM47/p1725553566102919) to speed up git checkouts in large repos looks like it's supported in [actions/checkout](https://github.com/actions/checkout) but not the [concourse git resource](https://github.com/concourse/git-resource)
request from @efasel in slack to speed up git checkouts in large repos
looks like it's supported in actions/checkout but not the concourse git resource