Roll pigweed

Change-Id: I4931f2b3050cbbe9e65225ff1a9a8861b64f0caf
Reviewed-on: https://pigweed-review.googlesource.com/c/open-dice/+/34022
Reviewed-by: Ali Zhang <alizhang@google.com>
Reviewed-by: Rob Mohr <mohrr@google.com>
diff --git a/third_party/pigweed/src b/third_party/pigweed/src
index 32a9c5a..9e1262f 160000
--- a/third_party/pigweed/src
+++ b/third_party/pigweed/src
@@ -1 +1 @@
-Subproject commit 32a9c5ad6edddcc3e2e76836082c3eed1e3e69c7
+Subproject commit 9e1262f18942487458a75a369681b8e8144db642