gopls/doc: update vscode-go GitHub link

The GitHub repository for vscode-go has been moved to https://github.com/golang/vscode-go. This change reflects that.

Change-Id: I3915ee0db39f8c069c83572893bae2f3d48a4aa9
GitHub-Last-Rev: 8eda352810368352320b7a25846ccbf4d2591c0c
GitHub-Pull-Request: golang/tools#234
Reviewed-on: https://go-review.googlesource.com/c/tools/+/237657
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
diff --git a/gopls/doc/vscode.md b/gopls/doc/vscode.md
index 60c196e..72be1ad 100644
--- a/gopls/doc/vscode.md
+++ b/gopls/doc/vscode.md
@@ -63,7 +63,7 @@
 ```
 
 
-[VSCode-Go]: https://github.com/microsoft/vscode-go
+[VSCode-Go]: https://github.com/golang/vscode-go
 
 # VSCode Remote Development with gopls