roll: third_party/pigweed: pw_bluetooth_sapphire: Disable -Wshadow-all

This module has many benign violations of -Wshadow-all. Disable
-Wshadow-all, which will be added to pw_build's internal_strict_warnings
in a subsequent CL.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/231652

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: a7e3e716c1bab31..c6e858e6049da1f
Roller-URL: https://ci.chromium.org/b/8738513968053781601
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I0c2431546b8a4ba9b1257b1bbea10ca859047e4b
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/232001
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 a7e3e71..c6e858e 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit a7e3e716c1bab31544b7ca37804fe7ca52c0f0dc
+Subproject commit c6e858e6049da1f5de6a91240277aec1e4770f0e