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/8798094349412569009

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/d9db3f6fd8ec38121d5255b8fbded901e7ca16eb~..e6f3d66bae371ddf8ccd91d26ec788dd75d3f5a7
  d9db3f6 (theosiu@google.com)
      Add arch flag and env variable for overriding on mac
  e6f3d66 (pkasting@chromium.org)
      Fix bad regex.

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+log/fff747a18c6d6e4a217593b37e0a9a3e28c6d0c1~..4b1196d5c4ac1320b32353178fca194a69205b08
  fff747a (theosiu@google.com)
      [docsgen] Switch usage of branches to folders within reference-...
  4b1196d (felizardo@google.com)
      [infra] Converts data field to string.

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=chillers@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Ignore-Freeze: Autoroller
Bugdroid-Send-Email: False
Change-Id: Ia3deb2bd9342277d7590f070c6b674331ca8aa73
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/35765
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 679f74e..d9182e0 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -25,12 +25,12 @@
   "deps": {
     "depot_tools": {
       "branch": "refs/heads/main",
-      "revision": "03b187d9c8d203b7171c294b71b44f549b392d83",
+      "revision": "e6f3d66bae371ddf8ccd91d26ec788dd75d3f5a7",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "ede4f2797b79080947325c5d6ad786117a14ec3c",
+      "revision": "4b1196d5c4ac1320b32353178fca194a69205b08",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {