[third_party/pigweed] Roll 2 commits

5b96d29bb8a6ff0 pw_digital_io_linux: Refactor test
e59fb801bd8584c pw_build: Fix type hint

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 9cbecdc781e3706..5b96d29bb8a6ff0
Roller-URL: https://ci.chromium.org/b/8748991132301972641
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If8e1b4e3d787b16a40e44541aa34be3413dd69f8
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/208022
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: 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 9cbecdc..5b96d29 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9cbecdc781e37065da96478e85b1ea4de0e7911e
+Subproject commit 5b96d29bb8a6ff0e47393276da856f7ffbd6465d