[roll third_party/pigweed] pw_hdlc: Add a TypeScript decoder implementation

Tests are automatically generated using `decode_test.py
--generate-ts-test [FILE]`

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/55042

third_party/pigweed Rolled-Commits: 6f6a50bbc6816c0..2395810f838518b
Roller-URL: https://ci.chromium.org/b/8839691315436106385
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8839691315436106385
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ibd740886d7e9e07ce6304d13a357b41a4ed9f2f5
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/56268
Bot-Commit: 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 6f6a50b..2395810 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 6f6a50bbc6816c0f41167b7747e97a4475887f66
+Subproject commit 2395810f838518b3c5f4b7e52aeb30306ed8d520