If a PR fails to land after we've already updated it, any future Validation calls will fail when checking if the PR is obsolete. Retries after a failed push should therefore allow "obsolete" PRs.
Pull request: https://github.com/WebKit/WebKit/pull/1917
Committed 251992@main (b2256a4c784e): <https://commits.webkit.org/251992@main> Reviewed commits have been landed. Closing PR #1917 and removing active labels.
<rdar://problem/96215952>