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/8788956708143474017

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+log/0c2ca2a6ccf572df3402dd09c1d7479b3a786442~..b2fb56220f3738aa5c6737d6d59e4dc33241af5a
  0c2ca2a (olivernewman@google.com)
      [cleanup] Migrate more format() calls to f-strings
  b2fb562 (haowei@google.com)
      [clang_toolchain] Fix cross compile builders

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.

R=flutter-infra@grotations.appspotmail.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Ignore-Freeze: Autoroller
Bugdroid-Send-Email: False
Change-Id: I4c05e410b73500c520080fb37989513b0b835e95
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/39445
Commit-Queue: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 264b6cc..e4c9c14 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -28,7 +28,7 @@
     },
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "30513a8da29f328fa74eddc704ab860de448f510",
+      "revision": "b2fb56220f3738aa5c6737d6d59e4dc33241af5a",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {