Roll recipe dependencies (trivial).

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

The build that created this CL was
https://ci.chromium.org/b/8699581896973116721

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/6fe43bc8d7fca89d40c432e1d182c6207a0c2383~..1a4ea228633e158a2a94df913bb060e14ab87867
  6fe43bc (gbeaty@chromium.org)
      Remove obsolete warning declaration.
  117ee16 (gbeaty@chromium.org)
      Remove obsolete forbidden warning.
  1a4ea22 (qjw@chromium.org)
      Roll git-credential-luci

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+/5749dd73f71f0aa5cf33f04621fd5b388c2b6e5c
  5749dd7 (global-integration-roller@fuchsia-infra.iam.gserviceaccount.com)
      [roll] Update coverage pinned tools

Please check the following references for more information:
- autoroller, https://chromium.googlesource.com/infra/luci/recipes-py/+/main/doc/workflow.md#autoroller
- rollback, https://chromium.googlesource.com/infra/luci/recipes-py/+/main/doc/workflow.md#rollback
- cross-repo dependencies, https://chromium.googlesource.com/infra/luci/recipes-py/+/main/doc/cross_repo.md

Use https://goo.gl/noib3a to file a bug.

R=flutter-infra-notify+luci-recipes@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Ignore-Freeze: Autoroller
Bugdroid-Send-Email: False
Change-Id: I3befd70ceb80e387729889fe7e05c1ba849b105e
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/71920
Commit-Queue: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>