roll: third_party/pigweed c195dbb..e9b977f (2 commits)

e9b977f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/376233 pw_allocator: Fix deleted contructors for ManagedPtr
449f0f9:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/376294 pw_containers: Avoid resize when erasing with move-only types

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: c195dbbe1a71a3..e9b977fb4c6070
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8689495921679730337
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ice089a90621464f7019dfc8a8e10fb552072dcec
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/376692
diff --git a/third_party/pigweed b/third_party/pigweed
index c195dbb..e9b977f 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c195dbbe1a71a32f73a89321c054a6a6213d41f2
+Subproject commit e9b977fb4c607001d770ba9d4539d67886c41b5e