roll: third_party/pigweed 4 commits

a4f432177a7e2cf pw_bluetooth_proxy: ProxyHost supports multiple se
6f7b53311728507 roll: Update Bazel to 7.2
c434a087580547b pw_allocator: Remove unnecessary template
6a928e54c51c63c pw_toolchain: Disable PIE for Golang

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 3178503b13226d7..a4f432177a7e2cf
Roller-URL: https://ci.chromium.org/b/8742937659334410481
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ied917c874d016029da4f1c77cfa0ab5b4ea531f8
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/220713
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 3178503..a4f4321 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3178503b13226d74c74c3902ea68e5df2147c825
+Subproject commit a4f432177a7e2cf41fa374af909d47a720fac133