All of our requests should be migrated to Twisted's asynchronous requests so that we don't block the main thread on ews-build.webkit.org
<rdar://problem/104961332>
Pull request: https://github.com/WebKit/WebKit/pull/9521
Committed 259770@main (26375ba46ade): <https://commits.webkit.org/259770@main> Reviewed commits have been landed. Closing PR #9521 and removing active labels.