roll: third_party/pigweed 61ca530..c01130c (4 commits)

c01130c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/472267 pw_ghish: Add Gerrit CLI with GitHub ergonomics
5051594:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/472667 pw_allocator: Add pw::MaybeSharedPtr
60a9bd2:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/474205 pw_metric: Expose metric type and mask constants in Python
27f1307:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/476485 docs: Update search index exclusions

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 61ca5306a23bdc..c01130cc914aa7
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8670632909306199505
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I152b8b51a4471a9fa38ddba2a7f00068c30da2c4
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/476845
diff --git a/third_party/pigweed b/third_party/pigweed
index 61ca530..c01130c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 61ca5306a23bdc31974958b862198a477cd2cb2b
+Subproject commit c01130cc914aa76d250b1fbd6222e68054e59ff1