roll: third_party/pigweed bf7078a..2ef9913 (2 commits)

2ef9913:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/225491 docs: Create RSS feed for blog
d35fb2e:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/238934 bazel: Enforce that MODULE.bazel.lock is current

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: bf7078a044353d..2ef99131bbb73e
Roller-URL: https://ci.chromium.org/b/8735324542334396145
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ic0aa4714b45a70ce9d78b35f45a20ff5fa715a9d
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/238881
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 bf7078a..2ef9913 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit bf7078a044353df9683ecb65561a0edca45a4f95
+Subproject commit 2ef99131bbb73e475f64281b6515eedba4a8cb79