roll: third_party/pigweed 2 commits

789f3ef5abc6b6e pw_{kvs,stream}: Update bazel config
8f327bb620173a2 pw_toolchain: Pico Bazel build

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 1bd9a79e9b80068..789f3ef5abc6b6e
Roller-URL: https://ci.chromium.org/b/8742284791193072817
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I0d486d3abef6e93b54cbc3c307f3598b29c7a4f8
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/223163
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 1bd9a79..789f3ef 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 1bd9a79e9b80068400865d3867819e1853f4d439
+Subproject commit 789f3ef5abc6b6efd82ef896020ada8ef177f6da