roll: third_party/pigweed 05e93da..1767a9b (2 commits)

1767a9b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/239433 pw_env_setup: PyPI version bump to 0.0.19
041755d:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/240136 docs: Update changelog

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 05e93dadc080e4..1767a9b4087e81
Roller-URL: https://ci.chromium.org/b/8734969474923021393
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I55415d467d4605a75afa1bfccf8502537f612cdb
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/240235
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.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 05e93da..1767a9b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 05e93dadc080e45d624d92b80879297cfade417c
+Subproject commit 1767a9b4087e81d1a458e70df8eaf3f3a0ff73b9