Update recipe engine to 9dea1246.

This picks up almost a year's worth of recipe changes and
hopefully will address bot breakages like
https://ci.chromium.org/ui/p/gn/builders/try/linux/b8764425375414840977/overview

No-Try: true
No-Presubmit: true
Change-Id: Ia86999f6dc8910b5f97dfddcd8f84303b767cd73
Reviewed-on: https://gn-review.googlesource.com/c/gn/+/16160
Commit-Queue: Dirk Pranke <dpranke@google.com>
Reviewed-by: David Turner <digit@google.com>
Reviewed-by: Brett Wilson <brettw@chromium.org>
Reviewed-by: Brett Wilson <brettw@google.com>

infra/config/recipes.cfg

diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index da25624..07b43ba 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -3,7 +3,7 @@
   "deps": {
     "recipe_engine": {
       "branch": "refs/heads/main",
-      "revision": "ff5ce51ceaaa7a62275bb766831a3ce1e88de37d",
+      "revision": "9dea1246fd8548d96decbcc0718e1c95fa1d985f",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py"
     }
   },