Roll recipe dependencies (trivial).

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

The build that created this CL was
https://ci.chromium.org/b/8702843386438166017

dart:
https://dart.googlesource.com/recipes.git/+/efb593b1bc30e112cd31fcc40aa4bec7b790411b
  efb593b (mohrr@google.com)
      Add API and TEST_API variables

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/813b6f7588cb496f6017c456cbc6c7014e13e9ba~..838e4c6aa7b68d7a4de1c2f2cd516104d729eff3
  813b6f7 (renewitt@google.com)
      Delete the README.chromium from depot_tools/repo.
  838e4c6 (ayatane@chromium.org)
      [git_cl] Remove the auto cleanup from disabled new auth

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+/6a3ca62ef0bede8d622064b5a6671408f4ce2ea5
  6a3ca62 (phosek@google.com)
      [clang_ml_training] Update ml-compiler-opt and all dependencies

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: Ie2c83246dfe79493c02026931664b079aa7eb43d
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/70600
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>