electron: osx and 3.0 [publish binary]

package.json

 {
   "name": "sqlite3",
   "description": "Asynchronous, non-blocking SQLite3 bindings",
-  "version": "4.0.2",
+  "version": "4.0.3",
   "homepage": "http://github.com/mapbox/node-sqlite3",
   "author": {
     "name": "MapBox",