roll: third_party/pigweed docs: Fix sitemap generator

Original-Bug: 386257958
Original-Bug: 386380020

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/256652
Original-Revision: 3d4cd6424084ba92bf24f26eafede7db3e5637b6

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: eda3c11776face..3d4cd6424084ba
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8726791198679986369
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Iefd58e159bbf0dd006757e428ce2f95ea35127ae
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/257492
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
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 eda3c11..3d4cd64 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit eda3c11776faceededa9827299eec70236d72ce4
+Subproject commit 3d4cd6424084ba92bf24f26eafede7db3e5637b6