[release] extension/package.json: update version (v0.41.3)

For #3348

Change-Id: If6c1892bdccb87124f3dfeba0546d651fe07fb09
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/580416
Reviewed-by: Robert Findley <rfindley@google.com>
Commit-Queue: Hyang-Ah Hana Kim <hyangah@gmail.com>
kokoro-CI: kokoro <noreply+kokoro@google.com>

Author: hyangah

extension/package-lock.json

@@ -1,7 +1,7 @@
 {
   "name": "go",
   "displayName": "Go",
-  "version": "0.41.2",
+  "version": "0.41.3",
   "publisher": "golang",
   "description": "Rich Go language support for Visual Studio Code",
   "author": {