roll: third_party/pigweed 6ce4987..c324c2a (2 commits)

c324c2a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/423412 rust: Enable additional cast clippy lints
48a026c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/430552 various: Resolve build issues downstream

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 6ce4987872e7a7..c324c2afcde3f3
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8677616933218093329
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I6df992da36f44ce0acadd6182cf9bdba0dea5fcb
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/430752
diff --git a/third_party/pigweed b/third_party/pigweed
index 6ce4987..c324c2a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 6ce4987872e7a726cb76ec077df8c8664306ac0e
+Subproject commit c324c2afcde3f31eec153b577164ddc87cb95120