roll: third_party/pigweed 4 commits

ab255ad1ab2b344 bazel: Remove --deleted_packages from bazelrc
5d20ebe2da0769c pw_crypto: Document micro_ecc's maintenance status
5cf58598c9b8cd3 roll: fuchsia-infra-bazel-rules 0a69be8..25df383 (
bcff67ba765c99a bazel: Update BoringSSL to 40ec347

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 7d9c604f73e8436..ab255ad1ab2b344
Roller-URL: https://ci.chromium.org/b/8737047081947882433
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Id1de218ca25316e5d7044b38c9e6b6a62522f3ec
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/235202
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 7d9c604..ab255ad 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 7d9c604f73e84369e33121e06b7a2c26b41eb57b
+Subproject commit ab255ad1ab2b3442c70e8677c9572deaceb8ae13