Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (build, depot_tools) into this repository.

build:
  https://crrev.com/fab8425d4407ad2cc95273205a878a57c5d88f38 (yekuang@google.com)
    Add "(custom trigger script)" if a custom trigger script is used
  https://crrev.com/3713b9cf2bba87d7ac9a1763ab3bf060bcbe0ac6 (yekuang@google.com)
    Assert that multiple shards are used only when using custom trigger script
depot_tools:
  https://crrev.com/b932a7fed903e1e9979591351c2a87b9724421e2 (dpranke@google.com)
    Remove dpranke@chromium.org from OWNERS.
  https://crrev.com/8351dc1fb7c4eb1858096c51ffe3f45754877cb0 (bpastene@chromium.org)
    Revert "[Fixed from older branch] Timing/RDB for lower-level checks"

More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.

TBR=godofredoc@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Ic6f4a65ccd5f7484ffe52f629409d413328975bd
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/5260
Reviewed-by: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>