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/8775724872402046209

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/15d9af9d86ac68129c37cd158f45de995e274c22
  15d9af9 (iannucci@chromium.org)
      [gclient_utils] Make git tools set `gitcommit` modeline in vim.

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+log/a200011234548791020058fcc25ff9c83c22fbf8~..8f8c68acc5d8c9dcae3e3fdfcbefb0939dec6526
  a200011 (olivernewman@google.com)
      [tree_status] Retry GET requests
  8f8c68a (global-integration-roller@fuchsia-infra.iam.gserviceaccount.com)
      [roll] Update coverage 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: I5b48e5e9e4698e0ff7bb147b5a924e2b9af1c8b3
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/47126
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 294ec8f..d368774 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -22,12 +22,12 @@
   "deps": {
     "depot_tools": {
       "branch": "refs/heads/main",
-      "revision": "d78d8ab771b397a6174f85a81abf67fbb0c99867",
+      "revision": "15d9af9d86ac68129c37cd158f45de995e274c22",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "1bf4bb0d26e42b625d0e83beaffa889bdeea0b42",
+      "revision": "8f8c68acc5d8c9dcae3e3fdfcbefb0939dec6526",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {