Update electron builder

Author: domschiener

package.json

@@ -28,7 +28,6 @@
     "url": "https://github.com/iotaledger/wallet"
   },
   "dependencies": {
-    "electron-builder": "^19.20.0",
     "ffi": "^2.2.0",
     "fs-extra": "^1.0.0",
     "glob": "^7.1.2",
@@ -38,7 +37,7 @@
   },
   "devDependencies": {
     "electron": "^1.7.4",
-    "electron-builder": "^19.13.0",
+    "electron-builder": "^19.19.1",
     "follow-redirects": "^1.2.4",
     "rimraf": "^2.6.1"
   },