Roll recipe dependencies (trivial).

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

chromiumos_config:
https://chromium.googlesource.com/chromiumos/config.git/+log/60692ff7b08dedde1a3984bbcd2c50f11e1e277a~..b1a270eb1c914f34ebb41044a26853668b5c38a6
  60692ff (shapiroc@chromium.org)
      Add util to read test plan spec
  b1a270e (lamontjones@chromium.org)
      Cannot track recipe_engine on main yet.

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

R=juahurta@google.com, pprabhu@chromium.org

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I7ae758b1ed3b314290a369efa90c80c7fc843ac0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2805780
Commit-Queue: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 548932b..3552de6 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -16,7 +16,7 @@
   "deps": {
     "chromiumos_config": {
       "branch": "refs/heads/main",
-      "revision": "e5ab31b707ccc616253615e064e700537e836927",
+      "revision": "b1a270eb1c914f34ebb41044a26853668b5c38a6",
       "url": "https://chromium.googlesource.com/chromiumos/config.git"
     },
     "recipe_engine": {