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.

The build that created this CL was
https://ci.chromium.org/b/8748464056090533985

recipe_engine:
https://chromium.googlesource.com/infra/luci/recipes-py/+log/bf91fe22e70865fdd7be134e51b4121f52d20d37~..a7d70e51458befe4095afb64cb1680d933b06f6d
  bf91fe2 (mohrr@google.com)
      [post_process] Add property-related tests
  9bf8236 (mohrr@google.com)
      [post_process] Add PropertyMatcher checkers
  a7d70e5 (gbeaty@chromium.org)
      Update path comparisons to use common conventions.

Please check the following references for more information:
- autoroller, https://chromium.googlesource.com/infra/luci/recipes-py/+/main/doc/workflow.md#autoroller
- rollback, https://chromium.googlesource.com/infra/luci/recipes-py/+/main/doc/workflow.md#rollback
- cross-repo dependencies, https://chromium.googlesource.com/infra/luci/recipes-py/+/main/doc/cross_repo.md

Use https://goo.gl/noib3a to file a bug.

Recipe-Tryjob-Bypass-Reason: Autoroller
Ignore-Freeze: Autoroller
Bugdroid-Send-Email: False
Change-Id: I4ba6adc30b0567d6e64580cb08ca43323b9196a5
Reviewed-on: https://fuchsia-review.googlesource.com/c/infra/recipes/+/1044805
Commit-Queue: GI Roller <global-integration-roller@fuchsia-infra.iam.gserviceaccount.com>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 122422d..c931ad0 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -18,7 +18,7 @@
   "deps": {
     "recipe_engine": {
       "branch": "refs/heads/main",
-      "revision": "8fc1a49196a68bbf12cca2636e4ebf85fbc59497",
+      "revision": "a7d70e51458befe4095afb64cb1680d933b06f6d",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py"
     }
   },