Roll recipe dependencies (trivial).

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

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+log/e5ffd270d129890c0c443c3cde06c4d5ff03e4c5~..39f6ad6c5f186d22c6e8ee3a52e8aa00fa679467
  e5ffd27 (nmulcahey@google.com)
      [submodules] Update recipe to use main as default.
  39f6ad6 (phosek@google.com)
      [clang_toolchain] Include Polly license on Windows

More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.

TBR=athom@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Ia60b6c749f120fa3634d8a5eaeae71111a90bd0e
Reviewed-on: https://dart-review.googlesource.com/c/recipes/+/197700
Reviewed-by: Dart CI <dart-luci-ci-builder@dart-ci.iam.gserviceaccount.com>
Commit-Queue: Dart CI <dart-luci-ci-builder@dart-ci.iam.gserviceaccount.com>
diff --git a/README.recipes.md b/README.recipes.md
index 0cacc60..e2533be 100644
--- a/README.recipes.md
+++ b/README.recipes.md
@@ -278,7 +278,7 @@
 [depot_tools/recipe_modules/osx_sdk]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/c64e3902afbce90beb9dcefa457a9f79fc76bf35/recipes/README.recipes.md#recipe_modules-osx_sdk
 [depot_tools/recipe_modules/presubmit]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/c64e3902afbce90beb9dcefa457a9f79fc76bf35/recipes/README.recipes.md#recipe_modules-presubmit
 [depot_tools/recipe_modules/tryserver]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/c64e3902afbce90beb9dcefa457a9f79fc76bf35/recipes/README.recipes.md#recipe_modules-tryserver
-[fuchsia/recipe_modules/gerrit]: https://fuchsia.googlesource.com/infra/recipes/+/c42120eb5be823f591757548e2380c52d05b3be8/README.recipes.md#recipe_modules-gerrit
+[fuchsia/recipe_modules/gerrit]: https://fuchsia.googlesource.com/infra/recipes/+/39f6ad6c5f186d22c6e8ee3a52e8aa00fa679467/README.recipes.md#recipe_modules-gerrit
 [recipe_engine/recipe_modules/buildbucket]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/782fd4903e373bda1dd9d163176cd3fbb9984a00/README.recipes.md#recipe_modules-buildbucket
 [recipe_engine/recipe_modules/cipd]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/782fd4903e373bda1dd9d163176cd3fbb9984a00/README.recipes.md#recipe_modules-cipd
 [recipe_engine/recipe_modules/context]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/782fd4903e373bda1dd9d163176cd3fbb9984a00/README.recipes.md#recipe_modules-context
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 5bc2d5c..078d91c 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -41,7 +41,7 @@
     },
     "fuchsia": {
       "branch": "refs/heads/master",
-      "revision": "c42120eb5be823f591757548e2380c52d05b3be8",
+      "revision": "39f6ad6c5f186d22c6e8ee3a52e8aa00fa679467",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "infra": {