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://crrev.com/5a91e29d366be1e9e7c7e270a1da92790625c618 ([email protected])
    swarming: remove deprecated arg

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

[email protected]

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Iee62bb6795d86a25dd84d069e6034632fa443e83
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/267578
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>

Author: recipe-roller

infra/config/recipes.cfg

@@ -14,12 +14,12 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "29e5a1af6c1d175cc926d37a717cbfbf47f5a99b",
+      "revision": "305542ea70b17791a26acc891f61d61af65e5616",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {
       "branch": "master",
-      "revision": "7d4ed3e64183a01cba0ef7abfa6ca1a4e586cef7",
+      "revision": "5a91e29d366be1e9e7c7e270a1da92790625c618",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },