Bump vscode extension version for imminent release

Summary: As title

Reviewed By: robertoaloi

Differential Revision: D53512548

fbshipit-source-id: 5e67f50026f073f087dc8c904c16bca7a1545780

Author: alanz

editors/code/package-lock.json

@@ -3,7 +3,7 @@
   "description": "Erlang language server",
   "author": "Meta Platforms, Inc",
   "license": "Apache2",
-  "version": "0.14.0",
+  "version": "0.15.0",
   "icon": "images/elp-logo-color.png",
   "homepage": "https://whatsapp.github.io/erlang-language-platform/",
   "repository": {