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/8679975405689679169

fuchsia:
https://fuchsia.googlesource.com/infra/recipes/+log/6491fcad057d7ffa7c0793a39c8b32a2a2bf1080~..2bb34d5dc515ed531909cb68ce240771ff4a0cff
  6491fca (global-integration-roller@fuchsia-infra.iam.gserviceaccount.com)
      [roll] Update coverage pinned tools
  a12641e (etryzelaar@google.com)
      [rust] Remove stdlib vendored dependencies
  ebeb103 (global-integration-roller@fuchsia-infra.iam.gserviceaccount.com)
      [roll] Update pinned tools
  6402523 (etryzelaar@google.com)
      [rust] Optionally enable compiling rust's llvm with assertions
  2bb34d5 (ihuh@google.com)
      [bisector] Don't launch new builds if there's already a trigger...

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: Ie95973651c22799354d7e78d396d0538a7c5908d
Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/417792
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 6c3e7d9..a2b0361 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -16,7 +16,7 @@
   "deps": {
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "bb6aba6b01dbb0b0015e1ec0d996870ac7b8d750",
+      "revision": "2bb34d5dc515ed531909cb68ce240771ff4a0cff",
       "url": "https://fuchsia.googlesource.com/infra/recipes"
     },
     "recipe_engine": {