Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls
recipe changes from upstream projects (dart) into this repository.

The build that created this CL was
https://ci.chromium.org/b/8709361356809210705

dart:
https://dart.googlesource.com/recipes.git/+log/6fc3ea7ce9bceb30900ac1745dd1aaaa9089d272~..7d1abe43398e00370629143be949e17a18591da6
  6fc3ea7 (sstrickl@google.com)
      Copy stripped dartaotruntime out of <out>/dart-sdk/bin instead.
  7d1abe4 (sstrickl@google.com)
      Use <out>/exe.stripped when uploading cross compilation binaries.

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: I6acfc8faa1248e01d5d3d9931d3c67d22dfb2dec
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/67580
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 711221c..6ecd70f 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -22,7 +22,7 @@
   "deps": {
     "dart": {
       "branch": "refs/heads/main",
-      "revision": "728a76fb28c52ae46020ff8415f0409ae0b9851f",
+      "revision": "7d1abe43398e00370629143be949e17a18591da6",
       "url": "https://dart.googlesource.com/recipes.git"
     },
     "depot_tools": {