[roll] Roll third_party/pigweed 327fbe0..5a9beee (8 commits)

5a9beee:https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed/+/5a9beee127a451c1a1f64049d98840c4bdbe026e pw_kernel: Preserve system template evaluation error context
e21bd35:https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed/+/e21bd3590fedfbdf5fbd98fac2d3ff097aea04e8 agents: Refactor code review workflow into a skill
5513af6:https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed/+/5513af6b7366c3c3da1f8bcb90e0b81e7859f0aa pw_containers: Merge CountAndCapacity into GenericDeque
cb45bc3:https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed/+/cb45bc3cd0c8328334e8d73f4a5a83ba8c0c8d59 pw_bluetooth_proxy: Create Bazel aliases for gatt and rfcomm
ea310a2:https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed/+/ea310a232ec5a0b9614a98bcc97d05826b5f098d agents: Create bluetooth skill
6bb3e49:https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed/+/6bb3e490cb8faa054faf6356abe534ab88fea23f pw_async2: Move coroutine examples to source file; JoinFuture fix
58b7f38:https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed/+/58b7f38101585c71d84acf2144cddda639f9eab4 pw_bluetooth: Add LEGetControllerActivityEnergyInfoCommand
4f20d14:https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed/+/4f20d144db90248f528676a3bd68dd779aedc03f pw_bluetooth_sapphire: Add documentation on how to use local Fuchsia SDK

Rolled-Repo: https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 327fbe0b708bec..5a9beee127a451
Roller-URL: https://cr-buildbucket.appspot.com/build/8687674873334259809
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If2c747ebdac57682bfaccd961418d301831f9325
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1534772
Commit-Queue: GI Roller <global-integration-roller@fuchsia-infra.iam.gserviceaccount.com>