roll: third_party/pigweed 2 commits

03da4a376d12ab8 pw_multibuf: Comment updates for consistency
e561764ec80e0aa docs: Add structured data to Kudzu blog post

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 284648a91114364..03da4a376d12ab8
Roller-URL: https://ci.chromium.org/b/8739054921012837633
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If11aa587f50b4c953b31ad8b1c4c6b1f41216ca2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/230971
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 284648a..03da4a3 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 284648a91114364749fc04bf581fc4f605ca0b79
+Subproject commit 03da4a376d12ab8173f250a14f703ae8a1571d3c