Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls
recipe changes from upstream projects (recipe_engine) into this repository.

recipe_engine:
https://chromium.googlesource.com/infra/luci/recipes-py.git/+log/d60a98793de9dfb6711944edb203670f4adae39c~..334a1ceb935fc30c26509b231a0a05c0d00fcc3f
  d60a987 (iannucci@chromium.org)
      Revert "[swarming] add cas support"
  334a1ce (iannucci@chromium.org)
      [engine_step] Remove vestigial _asdict method.

More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.

TBR=pprabhu@chromium.org

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I761bb3530d22c92ae6cb04cce90a24e84ef705fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2436309
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 0c07194..bc5b4c1 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -16,12 +16,12 @@
   "deps": {
     "chromiumos_config": {
       "branch": "refs/heads/master",
-      "revision": "0128af0b93186407d98672b645541d50df2b20ed",
+      "revision": "6bd1d76e3f4239ff57da09dc1604943284423817",
       "url": "https://chromium.googlesource.com/chromiumos/config.git"
     },
     "recipe_engine": {
       "branch": "refs/heads/master",
-      "revision": "2307f31506c879bb57ddfed06c14ec3835bd27ff",
+      "revision": "334a1ceb935fc30c26509b231a0a05c0d00fcc3f",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },