[roll third_party/pigweed] third_party/fuchsia: Temporarily suppress ubsan sanitizer

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/105048

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 75ba9d21793da05..6b318230596df0a
Roller-URL: https://ci.chromium.org/b/8806629063591529377
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8806629063591529377
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I8bdacb27f81d84d526f699b07d3425397e7a7be0
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/105175
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/third_party/pigweed b/third_party/pigweed
index 75ba9d2..6b31823 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 75ba9d21793da05d27576b90dc500cc5b3b75774
+Subproject commit 6b318230596df0a960fd7b0571e08af995cbe4e8