[roll third_party/pigweed] OWNERS: Restrict roller ownership

Original-Bug: b/289426407
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/155251

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 37542827dd7d533..c839cb688a23daf
Roller-URL: https://ci.chromium.org/b/8775652385433744657
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I4063cbd9116ee99499d8f5140b3e0d87eca32b16
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/155410
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 3754282..c839cb6 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 37542827dd7d5335ccd21f711c69888fadb9c0e5
+Subproject commit c839cb688a23dafce7dd8446423fa758bca90ace