[roll third_party/pigweed] bazel: Update rules_rust to 0.45.1

Original-Bug: https://pwbug.dev/342673389
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/211939
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: c2915194debfc14..ffaaf974d53a74a
Roller-URL: https://ci.chromium.org/b/8746649642531403809
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ibf4b0d7eb5ab8cb12e83dc4155b00108f8d300fe
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/211921
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 c291519..ffaaf97 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c2915194debfc1471944672afb8738896cc483ff
+Subproject commit ffaaf974d53a74a62cfdd3ad2ed9b2b695e6d795