[roll third_party/pigweed] STM32F429I: `mon reset init` > `mon reset run`

`mon reset init` commands leaves the device in a state where UART output
is unreadable. Running `mon reset run` instead fixes the issue.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/56400

third_party/pigweed Rolled-Commits: 3f3bfbac3317d18..b9cc4adda777ee4
Roller-URL: https://ci.chromium.org/b/8839598128609146801
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8839598128609146801
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I63ab6805e3f5929527b7d86ecb8d83a1a3ab6193
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/56401
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 3f3bfba..b9cc4ad 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3f3bfbac3317d186c8cdb5a6bf65ceca55284556
+Subproject commit b9cc4adda777ee47e7495e7965bb07d7887ac47d