[roll third_party/pigweed] pw_build: pw_cc_test.lib fixup

The bazel pw_cc_test rule was not removing the default test_main from
the .lib subtarget. This prevents users from overriding due to
multiple main functions being linked in.

Also add a missing dep to //third_party/boringssl:build_test

Original-Bug: 307825072, 341109859
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/210231
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: dcbe39839b38dd2..fe3b300897488d8
Roller-URL: https://ci.chromium.org/b/8747744732880490753
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I501f26bf2d18c549795f81235bd71c39986164d9
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/210208
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 dcbe398..fe3b300 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit dcbe39839b38dd25381e14e61ef93cde1fdb0f82
+Subproject commit fe3b300897488d8c323cce64650fe26cda3caaf7