[roll pigweed] pw_presubmit: Loosen commit message checks for Copybara imports

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/106711

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: 643379783d0f1ed..050b2549a5c6704
Roller-URL: https://ci.chromium.org/b/8805723017867658081
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I50895d51df1e3e73bec237971399570c2161f92f
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/106735
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/pigweed b/pigweed
index 6433797..050b254 160000
--- a/pigweed
+++ b/pigweed
@@ -1 +1 @@
-Subproject commit 643379783d0f1ed59aae8db059fb1db6fa7ae859
+Subproject commit 050b2549a5c670444132f06690b88ab3ae0835f3