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/8703386969644277665

depot_tools:
https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/a5397c7459486f5086a01fb336392a7a7c893f4a
  a5397c7 (holte@chromium.org)
      Refactor: Use f-strings for string formatting

recipe_engine:
https://chromium.googlesource.com/infra/luci/recipes-py.git/+/07e4e55ddf716d02eb031c1e165239265431026d
  07e4e55 (chromium-autoroll@skia-public.iam.gserviceaccount.com)
      Roll CAS Client from 8542fcedab33 to 6645da847edf

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: Ic48faf45a8808a51f97ac20e5b14efa17f3a795a
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/70480
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 009f03e..c2b9ea0 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -22,22 +22,22 @@
   "deps": {
     "dart": {
       "branch": "refs/heads/main",
-      "revision": "f9f561bba15ebe9c7ad443a1806767dbdaba3b45",
+      "revision": "681d47f4c98211c3324cfb6bc65bd60f60d0d5fd",
       "url": "https://dart.googlesource.com/recipes.git"
     },
     "depot_tools": {
       "branch": "refs/heads/main",
-      "revision": "9d57bd01e8ed85d5a45fdde30811e8d34e1eb617",
+      "revision": "0d761e6db8beae9c08ea45538032bbf7dccc5a23",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "fuchsia": {
       "branch": "refs/heads/main",
-      "revision": "450d92f5457947fbb33d3b1166cde4c26c6cf1d0",
+      "revision": "f267e4b7a1689f89f0344ebc284751cd914c975a",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {
       "branch": "refs/heads/main",
-      "revision": "af73739e9bf032b145ac29ef72f98b1498543429",
+      "revision": "07e4e55ddf716d02eb031c1e165239265431026d",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },