[infra] Auto-submit the CL to update supported branch configs

Change-Id: Ib4baeec7dc7247b81c7e4a1ef7f85ef378e4be19
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/257621
Commit-Queue: Eric Boren <borenet@google.com>
Reviewed-by: Heather Miller <hcm@google.com>
Reviewed-by: Ben Wagner aka dogben <benjaminwagner@google.com>
4 files changed