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/8778714647790948913

fuchsia:
https://fuchsia.googlesource.com/infra/recipes/+/5b7e043b60a39e97842b83f4225b992042a7e61d
  5b7e043 (tmandry@google.com)
      [rust_toolchain] Add embedded targets

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: I058bb8af4038f57cd0dfa5ea38c61fc2967610d8
Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/151290
Commit-Queue: Recipe Deps Roller <recipe-deps-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: 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 07aaf94..96aaa33 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -17,7 +17,7 @@
   "deps": {
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "a8d2126968af26ce82bfddeb755d9fbb2ac20c07",
+      "revision": "5b7e043b60a39e97842b83f4225b992042a7e61d",
       "url": "https://fuchsia.googlesource.com/infra/recipes"
     },
     "recipe_engine": {