Roll recipe dependencies (trivial).

infra/config/recipes.cfg

Index: infra/config/recipes.cfg
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 25dc8f5768dd680cf6bd3604861a07b4252d5205..7db7bb23850d5f8b566e1fe94bcaf40324df3b5a 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -5,11 +5,11 @@ deps {
   project_id: "depot_tools"
   url: "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
   branch: "master"
-  revision: "33a46ffb3f0e7f54f55d269795b52d34b2f1be61"
+  revision: "37ac639b5795bbfdaed0e000d8d32211d12f0fe2"
 }
 deps {
   project_id: "recipe_engine"
   url: "https://chromium.googlesource.com/external/github.com/luci/recipes-py.git"
   branch: "master"
-  revision: "6769b4ea18de83ed9676b90a0893417a47be62cc"
+  revision: "772978c9b350224f62085c258408a02dcd97986c"
 }