The step named 'clean-and-update-working-directory' is more accurately 'checkout-source', and that is, in fact, its class name in Python code. Rename it.
<rdar://problem/96832459>
Pull request: https://github.com/WebKit/WebKit/pull/2295
Committed 252349@main (9cc502c65983): <https://commits.webkit.org/252349@main> Reviewed commits have been landed. Closing PR #2295 and removing active labels.