Existing recipe code to trigger testers from builders assumes the bots belong to the same bucket. Bug: b/218825531 Change-Id: I3cd6414f7e1bacc21d3443285d1217f6b90a6adf Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259260 Reviewed-by: Christoffer Jansson <jansson@google.com> Commit-Queue: Jeremy Leconte <jleconte@google.com> Cr-Commit-Position: refs/heads/main@{#36568}