roll: third_party/pigweed 809d32b..8291a3d (6 commits)

8291a3d:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/264893 Revert "roll: rules_python"
304e574:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/263896 roll: rules_python
5d81c0e:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/264600 build: Add @qemu// prebuilt Bazel repo
c6ee2e4:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/264832 pw_bluetooth_sapphire: Remove unused inspect nodes
1cd0c57:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/264774 docs: Fix bypass-cq link
36dd7ef:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/264752 docs: Describe Pigweed's Python version support

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 809d32b33e2dd3..8291a3d9cb49a2
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8723823849151034353
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I576ab461db4aef8c51aa616128b9bb31b9bbd41e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/264817
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 809d32b..8291a3d 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 809d32b33e2dd368bc91704e7d70f7069d6cc7d9
+Subproject commit 8291a3d9cb49a2d66fb32161539ba9141c2655d7