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.

The build that created this CL was
https://ci.chromium.org/b/8774888890750697009

fuchsia:
https://fuchsia.googlesource.com/infra/recipes/+/b4a7953b07c8e4f6c9b0ba69e5fb52a1cc41d93d
  b4a7953 (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.

Recipe-Tryjob-Bypass-Reason: Autoroller
Ignore-Freeze: Autoroller
Bugdroid-Send-Email: False
Change-Id: I76b08923fbebb71365f35a40497e7cae1c63d654
Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/157619
Bot-Commit: Recipe Deps Roller <recipe-deps-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Recipe Deps Roller <recipe-deps-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index a563894..098bc61 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -17,7 +17,7 @@
   "deps": {
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "8b0eaa04c5f67962ce4f1ba51b2b6898b8a9c52f",
+      "revision": "b4a7953b07c8e4f6c9b0ba69e5fb52a1cc41d93d",
       "url": "https://fuchsia.googlesource.com/infra/recipes"
     },
     "recipe_engine": {