Rolling v8/third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/4ebfe46..efce0d1

TBR=machenbach@chromium.org,tmrts@chromium.org

Change-Id: I20fe4d684b2ee9a7c80fdc062147dc2489922c65
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1789616Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#63603}