roll: third_party/pigweed roll: gn

From git_revision:58933a7cdbc90f70f2381f0c72e76d29be1d43a9
To git_revision:d71c4a70bd2ece461a09cbd6321970b9247fdab2

Roll-Count: 1
GitWatcher: ignore
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/465705
Original-Revision: fba14dcfb55265be0a468a305df031366f5dd26f

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: e55b6726b9727e..fba14dcfb55265
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8672000297118195617
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ie453b35998f170e19a81a819d76f605593abc487
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/465845
diff --git a/third_party/pigweed b/third_party/pigweed
index e55b672..fba14dc 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e55b6726b9727e2fedae0950305e5c4991560016
+Subproject commit fba14dcfb55265be0a468a305df031366f5dd26f