[roll third_party/pigweed] pw_ide: Replace vscode-gnformat recommendation with gnls

Replace the vscode-gnformat VS Code extension recommendation
with the GN Language Server exension provided by Microsoft.
GN Language Server includes code formatting support in addition
to many intellisense features, and it is actively maintained.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/111750

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 797535caa6ff13b..81a43ff5326f4c0
Roller-URL: https://ci.chromium.org/b/8802191730363835217
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I4cbceaefe68f6bf3cb5add5ca0f7ece7744f0a55
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/111799
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 797535c..81a43ff 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 797535caa6ff13b8cdeaed7a35191568bc53d646
+Subproject commit 81a43ff5326f4c081922ea6694f60db4b5e4af0e