roll: third_party/pigweed 0e6dc34..719e987 (4 commits)

719e987:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/253434 pw_bluetooth_sapphire: Distribute public headers
97a16b0:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/254113 bazel: Remove the unused attribute _cc_toolchains
7e8ef36:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/254115 docs: Update changelog
c80d2e1:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/253953 pw_presubmit: Add diff_upstream_python_constraints

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 0e6dc34c793f0c..719e987fdbaf65
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8728720452065414865
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If6bfee11ae45f014fd4bca4077021fcb8315d5e2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/253996
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 0e6dc34..719e987 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 0e6dc34c793f0c56518a516b00005888310e88dc
+Subproject commit 719e987fdbaf65c2d631d50ef6c80ff231730d4d