[third_party/pigweed] Roll 2 commits

8a74b5a34b6efc5 pw_stream: Fix Pigweed build after sync
f54dc07d78bccaf pigweed.json: Disallow Rosetta

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 320427e20c5756f..8a74b5a34b6efc5
Roller-URL: https://ci.chromium.org/b/8755903817643053201
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I261132990d0c13cdf1ccf03aabcc149b8685fc17
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/192880
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 320427e..8a74b5a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 320427e20c5756f178239373d4a28ede70017ce8
+Subproject commit 8a74b5a34b6efc56887be65cf35f08ee6ca73c1c