roll: third_party/pigweed 279e9b6..4a2a80f (3 commits)

4a2a80f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/270093 pw_package: Add cargo_gnaw package
d1a83ab:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/260533 pw_rust: Group rust build targets
cc499e7:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/261793 pw_rust: Disable link for rust_bin static_analysis

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 279e9b65b7512b..4a2a80ff0bcb3d
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8714658290610960497
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I8cda5a4cb47ade191513021b1aba7deb34c06337
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/292572
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: 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 279e9b6..4a2a80f 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 279e9b65b7512b68a1040cfa1271eb69b946bf7f
+Subproject commit 4a2a80ff0bcb3d393b4eff3efae02eff7e968d02