roll: third_party/pigweed pw_containers: Fix OOB array access in wrapped_iterator example

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/237592
Original-Revision: aaa6103e386eacca267932d66987d99a8c36487a

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 49c68b83a009bf..aaa6103e386eac
Roller-URL: https://ci.chromium.org/b/8735903430123522337
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Iebc33cef8169e0da3d22fd6b88e358b390926432
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/237633
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 49c68b8..aaa6103 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 49c68b83a009bf14d2df21f4d62601e875ff198f
+Subproject commit aaa6103e386eacca267932d66987d99a8c36487a