[roll third_party/pigweed] pw_protobuf_compiler: Fix CMake proto deps

- Properly handle deps between pw_proto_library targets in CMake.
- Rename the .generate targets to ._generate since they should not be
  depended on directly.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/40680

third_party/pigweed Rolled-Commits: b85cda4630cab1f..1035aa09e52edfd
Roller-URL: https://ci.chromium.org/b/8850041116826122336
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8850041116826122336
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I552128f7dbbc48614f039cff2b04075ca6285b0e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/40781
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 b85cda4..1035aa0 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit b85cda4630cab1fcb247f3a9cf9ebb3f2ac9394e
+Subproject commit 1035aa09e52edfd93f0d92acc0423065df927a61