internal/lsp/debug: update version for gopls/v0.3.4

Change-Id: I090be8942db41e95a09bb49ebf37757b1f91eafb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/223665
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>

internal/lsp/debug/info.go

@@ -21,7 +21,7 @@ const (
 )
 
 // Version is a manually-updated mechanism for tracking versions.
-var Version = "v0.3.3"
+var Version = "v0.3.4"
 
 // PrintServerInfo writes HTML debug info to w for the Instance.
 func (i *Instance) PrintServerInfo(w io.Writer) {