Add an option to git-webkit to force a PR onto a secure remote, regardless of other options passed to the script.
<rdar://problem/105302485>
Pull request: https://github.com/WebKit/WebKit/pull/9957
Pull request: https://github.com/apple/WebKit/pull/381
Committed 260456@main (fed358c486b6): <https://commits.webkit.org/260456@main> Reviewed commits have been landed. Closing PR #9957 and removing active labels.
Committed 259548.327@safari-7615-branch (1ca8b7ed74d1): <https://commits.webkit.org/259548.327@safari-7615-branch> Reviewed commits have been landed. Closing PR #424 and removing active labels.