Roll recipe deps.

Manual roll to pick up crrev.com/28c10d465e3161ec3b862b525c5351ffe9343399.

TBR=dnj@chromium.org
BUG=

Change-Id: Idfcfe80aa9ada7550b6389ac0aaa8d28682d46b7
Reviewed-on: https://chromium-review.googlesource.com/451602
Reviewed-by: Robbie Iannucci <iannucci@chromium.org>

infra/config/recipes.cfg

@@ -1,10 +1,9 @@
 api_version: 1
 project_id: "depot_tools"
 recipes_path: ""
-canonical_base_url: ""
 deps {
   project_id: "recipe_engine"
   url: "https://chromium.googlesource.com/external/github.com/luci/recipes-py.git"
   branch: "master"
-  revision: "22e413ad35481ecd49d232620e7794ce6f544958"
+  revision: "28c10d465e3161ec3b862b525c5351ffe9343399"
 }