[roll third_party/pigweed] pw_protobuf_compiler: Disable include check for generated headers

Disable GN include checks for Nanopb RPC protobuf libraries. Include
checks were accidentally disabled for Nanopb libraries rather than
Nanopb RPC libraries.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/48684

third_party/pigweed Rolled-Commits: 79d7ecd06a8440b..d69309b5a7ffc2a
Roller-URL: https://ci.chromium.org/b/8844685703309163777
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8844685703309163777
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I0d8bae752dd39dae117dd2c537c202957699169a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/48685
Reviewed-by: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 79d7ecd..d69309b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 79d7ecd06a8440b005417e53f45354e4c8bb800b
+Subproject commit d69309b5a7ffc2afbbd46afbf68f0b818ea417a3