Roll Pigweed forward

Bug: b/287529705
Change-Id: I4f0b46ad4b8fc324b4459cf80aed48e312a33da5
Reviewed-on: https://pigweed-review.googlesource.com/c/open-dice/+/152190
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Pigweed-Auto-Submit: Rob Mohr <mohrr@google.com>
Reviewed-by: Darren Krahn <dkrahn@google.com>
diff --git a/third_party/pigweed/src b/third_party/pigweed/src
index 02c2e12..feb469c 160000
--- a/third_party/pigweed/src
+++ b/third_party/pigweed/src
@@ -1 +1 @@
-Subproject commit 02c2e12242a68c6a66ad45c7a99c11aad45e3227
+Subproject commit feb469c15adaceea635c21a0005c947fe7c41edb