When rebasing, landing or canonicalizing commits, git-webkit should respect the commit.gpgsign=True git-config.
<rdar://problem/123539145>
Pull request: https://github.com/WebKit/WebKit/pull/25049
Committed 275417@main (797bcc905aa6): <https://commits.webkit.org/275417@main> Reviewed commits have been landed. Closing PR #25049 and removing active labels.