[superproject] Roll third_party/pigweed docs: Update changelog

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/183310
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 01ae77c8d7f83c9ad80fed0f5a55d9d2c8104ac4
GitOrigin-RevId: 21dae4a338724261cdb6a21ae5ddae7aca5681ed
Roller-URL: https://ci.chromium.org/b/8762850975527941041
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia9242cab2e1672fca135dec719ae08b797570beb
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/954186
diff --git a/third_party/pigweed/src b/third_party/pigweed/src
index 606dc2c..01ae77c 160000
--- a/third_party/pigweed/src
+++ b/third_party/pigweed/src
@@ -1 +1 @@
-Subproject commit 606dc2cbba077ca39a8c5767e505d1632635cec9
+Subproject commit 01ae77c8d7f83c9ad80fed0f5a55d9d2c8104ac4