Roll recipe dependencies (trivial).

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

The build that created this CL was
https://ci.chromium.org/b/8759877306620891713

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/0214c083209adaf6201d2d9acd7a1cda6a70380e~..259976c7483c321c122169d193e150310f4ea609
  0214c08 (mknyszek@google.com)
      [lucicfg] Update v1.43.1 -> v1.43.2.
  6c1a07d (sokcevic@chromium.org)
      [git_number] Improve error message on parse_commitrefs
  86752e9 (sokcevic@chromium.org)
      Update repo_launcher to 2.40
  259976c (sokcevic@chromium.org)
      Fix git_cache when safe.bareRepository=explicit

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: I7d6ee24103926461d441dbf39d634eb707a533e3
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/53760
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 fba8cfa..2d819ca 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -22,12 +22,12 @@
   "deps": {
     "dart": {
       "branch": "refs/heads/main",
-      "revision": "e7abc9234fac2286e695d0077f305dabcf6f8d1b",
+      "revision": "6e88ea8b3f28ae19835a8a4927f103a795f96cc9",
       "url": "https://dart.googlesource.com/recipes.git"
     },
     "depot_tools": {
       "branch": "refs/heads/main",
-      "revision": "7380fdcba2ba111cde69571375baddb0748935fc",
+      "revision": "259976c7483c321c122169d193e150310f4ea609",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "fuchsia": {