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/8704776909503696257

fuchsia:
https://fuchsia.googlesource.com/infra/recipes.git/+log/0835f63ed3235d25aaaa211fc2a8d26375338a98~..b7c457b42b08c2faefb3bd1e8650a8334f0eb9ab
  0835f63 (global-integration-roller@fuchsia-infra.iam.gserviceaccount.com)
      [roll] Update pinned tools
  b7c457b (global-integration-roller@fuchsia-infra.iam.gserviceaccount.com)
      [roll] Update 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.

R=flutter-infra-notify+luci-recipes@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Ignore-Freeze: Autoroller
Bugdroid-Send-Email: False
Change-Id: I70db3fd85639f3e20c24bda18a845dbd7d0e9940
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/69742
Bot-Commit: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: 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 057f80b..142897f 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -32,7 +32,7 @@
     },
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "6613f3f281a48d8abf42e183e94f75354aa40a29",
+      "revision": "b7c457b42b08c2faefb3bd1e8650a8334f0eb9ab",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {