Update Mac goldctl Updates DEPS and the Chromium roller script to have both an x64 and arm64 version of goldctl on Mac. Also updates the goldctl build group to include both binaries. Bug: chromium:1280002 Change-Id: I82c9c93eb865fb68ad242454415606c9ef2846fd Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3373623 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Brian Sheedy <bsheedy@chromium.org>