[third_party/pigweed] Roll 7 commits

c3d2877b7aa6c78 pw_rpc: Fix macro name in docs and comments
d0ff89e952d68de pw_toolchain: Fix CMake build on macOS
d5f3adeb5cafd73 pw_protobuf_compiler: Fix bazel failure if proto d
fc8d0557e06a367 pw_protobuf_compiler: Add a no_prefix test
ac388e7bdae6d03 pw_ide: Raise specific error on bad settings file
6920d0bb3b6898a pw_protobuf_compiler: Tests fail to build under cm
3aa838ba32d99bb pw_allocator: Improve namespacing

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 89c90454a256760..c3d2877b7aa6c78
Roller-URL: https://ci.chromium.org/b/8748923141497958545
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I57d68867741eca292a3d65ebc2436fd0c97b47d9
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/208029
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 89c9045..c3d2877 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 89c90454a256760e39057a5044b3bba36bd2e60b
+Subproject commit c3d2877b7aa6c789e799e6ba30ad899b329fdafa