roll: third_party/pigweed c4afd9a..3f4f714 (8 commits)

3f4f714:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/297277 pw_kernel: Automated system generation
cbf3839:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/297741 third_party: Add hashlink crate
725cf2a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/297740 third_party: Add toml crate
bc77a6c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/297895 docs: Add note about Tests-Not-Needed
4377109:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/297793 pw_protobuf: Add `invalid` argument to generated *ToString() functions
cbbdff1:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/297739 third_party: Add askama crate
fb1869f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/297734 pw_kernel: In presubmits, run lints last
b85158a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/297274 pw_i2c_mcuxpresso: Acquire and Release underlying clock

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: c4afd9adfd7df6..3f4f714a9366b6
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8712222969339224929
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I830a1274b20d08bdc82ba933292e0648b09d91ef
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/297953
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 c4afd9a..3f4f714 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c4afd9adfd7df6e7ca4103176cc6f1dcfe184e65
+Subproject commit 3f4f714a9366b6aca570d4e2fd20857642a3da40