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/8771316251834706449

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/1c1cc06a0d7be68d4ade7dd697a4f1e154f59e1e~..abf4847b0412cac3617c231af35f998eb9141748
  1c1cc06 (gavinmak@google.com)
      Drop py2 support in gs-related files
  5f955df (gavinmak@google.com)
      Drop py2 support from metrics files
  abf4847 (dcheng@chromium.org)
      Fix various type annotations in git_cl.py as reported by pytype.

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+/b991c450e522792506227ecffaa2acb9c0b8a34e
  b991c45 (olivernewman@google.com)
      [shac] Move shac logic into recipe module

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: I0c0a46be98e9efb45434ef4d980000a9cfdcbfb2
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/50460
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>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 9dc3458..2bfaadd 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -22,17 +22,17 @@
   "deps": {
     "dart": {
       "branch": "refs/heads/main",
-      "revision": "d993c98c2ae2346773c0fe67e9c31f48a96f27cb",
+      "revision": "3f299266d6ec06f5814c3433e6e1d314472e7e2f",
       "url": "https://dart.googlesource.com/recipes.git"
     },
     "depot_tools": {
       "branch": "refs/heads/main",
-      "revision": "b9d7c8558207b5cbe5bc7fa41a0f46832cc35d6a",
+      "revision": "abf4847b0412cac3617c231af35f998eb9141748",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "1646a78f41d4056b049569d5100f81bc93361518",
+      "revision": "b991c450e522792506227ecffaa2acb9c0b8a34e",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {