Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (e.g. depot_tools) into downstream projects
(e.g. tools/build).


More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.
recipe_engine:
  https://crrev.com/dcbdf913dcecac13e14af5928a070f369b729c60 [swarming] Don't use null user/tags in test data (olivernewman@google.com)


TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I60f962f5c8ae19e52ee8e4aa9f582ad525a433e6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/256103
Reviewed-by: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 7cc502b..c34efe9 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -14,12 +14,12 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "9dabaedfa33ccb59e09cbcf3541b92f283d24c0c",
+      "revision": "556c0a2e0f48bf57fea351ef83685433600f8a16",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {
       "branch": "master",
-      "revision": "fb9043505a8386e9ea7b9ff12bad0aeaaf41d929",
+      "revision": "dcbdf913dcecac13e14af5928a070f369b729c60",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },