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/8756839179280106785

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/120efcb475aa5f8c6f38c4598c602f4713015112
  120efcb (gavinmak@google.com)
      Remove _MergeMasters

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+/8b5903e32ff0dcb333ff4140e59954c3abfe66e7
  8b5903e (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: Ib087258a84df3ed76d28db5a020fbfe7016d788b
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/54880
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>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 54879e0..8795a96 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -22,17 +22,17 @@
   "deps": {
     "dart": {
       "branch": "refs/heads/main",
-      "revision": "187be173cd4edb4bdd652afc6208c5adc15ea1c9",
+      "revision": "dc913bda4e28a43e5364f79ef006e1ea0bb61333",
       "url": "https://dart.googlesource.com/recipes.git"
     },
     "depot_tools": {
       "branch": "refs/heads/main",
-      "revision": "0696c428b04513254d3b3e0b1fba5e5afdb11cf4",
+      "revision": "120efcb475aa5f8c6f38c4598c602f4713015112",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "f111f6acff3cf1671782d4becaca4cc05672cbc3",
+      "revision": "8b5903e32ff0dcb333ff4140e59954c3abfe66e7",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {