Roll recipe dependencies (trivial).

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

The build that created this CL was
https://ci.chromium.org/b/8752713242402742913

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/880c680f58267c57a2dea4824067a109c313aa64
  880c680 (bryner@google.com)
      New cpython3 to depot_tools bleeding_edge.

recipe_engine:
https://chromium.googlesource.com/infra/luci/recipes-py.git/+log/a6da06b0318b879e0052bad19eebdb9cc69c00b0~..283d867c3e86283d1250c0ecac50f37577159dde
  a6da06b (mohrr@google.com)
      [python3] Stop using transitional iteritems()
  283d867 (mohrr@google.com)
      [python3] Stop using transitional itervalues()

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: I7591b9571f809357151250478559611aa08c89e0
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/56560
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 a1da987..3523178 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -22,22 +22,22 @@
   "deps": {
     "dart": {
       "branch": "refs/heads/main",
-      "revision": "eb6a84dc722f861af670904952dd6795ddac2d08",
+      "revision": "3fff24d98dd7bd501c0262e2ee0b3ed92c1c53ec",
       "url": "https://dart.googlesource.com/recipes.git"
     },
     "depot_tools": {
       "branch": "refs/heads/main",
-      "revision": "6551a7eb433575243c5212bd2be9ef0930e2dcca",
+      "revision": "880c680f58267c57a2dea4824067a109c313aa64",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "4a24680edde55c88fcef58af48816a03b8b77e6d",
+      "revision": "3bd7854092c1887d2fb88667031cfc55e722133a",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {
       "branch": "refs/heads/main",
-      "revision": "c0fee8dd7b652cc5490937ff0993ebfe578228f3",
+      "revision": "283d867c3e86283d1250c0ecac50f37577159dde",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },