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/8775634273933887569

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/4e87f5bfe244e903f712408ea68dc3c3a6fe2d00
  4e87f5b (iannucci@chromium.org)
      [git-freeze] Ignore submodules when freezing.

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+log/4777917d890c341d0a6c68ea9537abe6973864a6~..12f323201df1bb3249081474be354d3fc85f029d
  4777917 (caslyn@google.com)
      [toolchain][llvm] Add LLVMDebugInfoBTF to llvm recipe
  12f3232 (global-integration-roller@fuchsia-infra.iam.gserviceaccount.com)
      [roll] Update 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@grotations.appspotmail.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Ignore-Freeze: Autoroller
Bugdroid-Send-Email: False
Change-Id: Ie7890f9a7f190a03f3837644e3ed173e84a063f5
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/47321
Bot-Commit: 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>