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/8681246054403818305

fuchsia:
https://fuchsia.googlesource.com/infra/recipes/+log/5e6961966f3371929e692ddd1788717791f44297~..c984dfbc1020118436387744a4d8c95c4c9dc3cd
  5e69619 (paulkirth@google.com)
      [clang] Specify using ld64.lld on Mac platforms
  c984dfb (paulkirth@google.com)
      [clang] Use the toolchain module to configure the LLVM build

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: If9f423362eda2c0921c8b0193760e5f2880c4786
Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/412281
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 4ad1bf9..19880d4 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -16,7 +16,7 @@
   "deps": {
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "238bc8b30a32690bc1a261c9f273e573a8dc3e17",
+      "revision": "c984dfbc1020118436387744a4d8c95c4c9dc3cd",
       "url": "https://fuchsia.googlesource.com/infra/recipes"
     },
     "recipe_engine": {