Bump extension version to 0.4.0

Change-Id: I24eec70c05da7c0dba81309232587d4fb1ef296f
Reviewed-on: https://fuchsia-review.googlesource.com/c/fidl-misc/+/559042
Reviewed-by: Ian McKellar <ianloic@google.com>
diff --git a/vscode-language-fidl/package.json b/vscode-language-fidl/package.json
index cebe567..fc5df85 100644
--- a/vscode-language-fidl/package.json
+++ b/vscode-language-fidl/package.json
@@ -3,7 +3,7 @@
 	"displayName": "FIDL Language Support",
 	"description": "Support for FIDL files",
 	"license": "SEE LICENSE IN LICENSE",
-	"version": "0.3.6",
+	"version": "0.4.0",
 	"publisher": "fuchsia-authors",
 	"engines": {
 		"vscode": "^1.45.1"