roll: third_party/pigweed 717e4f5..7940ef2 (3 commits)

7940ef2:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/258172 pw_bluetooth_proxy: Fix H4PacketWithH4 doc string typo
9337bf2:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247593 docs: Add toolchain homepage
79b08cb:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/258192 roll: fuchsia-infra-bazel-rules e8a4e9f..32b5945 (41 commits)

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 717e4f58092e94..7940ef25e097da
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8726523259560285937
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I6fc4928070c3d59f79ea23cefbe5558343c0072f
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/kudzu/+/258295
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 717e4f5..7940ef2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 717e4f58092e947eba23afb8be099d2ccf1247c3
+Subproject commit 7940ef25e097dae964b4e07004ad70942a9b0473