roll: third_party/pigweed: pw_bluetooth_sapphire: Embossify ReadPageScanActivityReturnParams

Use emboss definitions instead of a packed struct for reading a
Read Page Scan Activity command complete event.

Original-Bug: b/42167863
Test: fx test //src/connectivity/bluetooth/core/bt-host
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1107957
GitOrigin-RevId: d8baa58398722fbc116a2176cb166fa00f4f81c0
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/232775

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 7286a9d4c200a46..4df6f289fe3c1a0
Roller-URL: https://ci.chromium.org/b/8738106807975758865
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Iddcef3e7cef9ab797e8c8523d5aca738796dd954
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/233007
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 7286a9d..4df6f28 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 7286a9d4c200a46bcb04c687afb542cc3afc66cc
+Subproject commit 4df6f289fe3c1a0f28065961f778eda1f678cb97