Allow configuring multiple user credentials for build.webkit.org, as was done for EWS in https://bugs.webkit.org/show_bug.cgi?id=235301.
Pull request: https://github.com/WebKit/WebKit/pull/943
<rdar://problem/93785604>
Committed r294751 (250919@main): <https://commits.webkit.org/250919@main> Reviewed commits have been landed. Closing PR #943 and removing active labels.