[roll third_party/pigweed] pw_transfer: Python transfer client fixes

- Standardize finishing transfers through a finish function and call it
  on all exit paths.
- Handle RPC-level errors in the transfer client.
- Temporarily disable stream closing on transfer completion as it runs
  into issues.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/54902

third_party/pigweed Rolled-Commits: 3e7180db3103b73..36b1ff9ad91b76b
Roller-URL: https://ci.chromium.org/b/8840258053436777664
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8840258053436777664
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I33979cc306cbf6bc2248dcf56dd27755e50325db
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/55303
Reviewed-by: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 3e7180d..36b1ff9 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3e7180db3103b737007cf71106a61b89a0f6365e
+Subproject commit 36b1ff9ad91b76b5e58770d378711ae2038427e5