Upgrade electron

package.json

@@ -70,7 +70,7 @@
     "app-builder-lib": "https://github.com/thomasnordquist/app-builder-lib.git",
     "axios": "^0.18.0",
     "chai": "^4.2.0",
-    "electron": "^4.0.6",
+    "electron": "4",
     "electron-builder": "^20.38.5",
     "fs-extra": "^7.0.1",
     "mime": "^2.4.0",

yarn.lock

@@ -1287,10 +1287,10 @@ electron-updater@^4.0.6:
     semver "^5.6.0"
     source-map-support "^0.5.9"
 
-electron@^4.0.6:
-  version "4.0.6"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-4.0.6.tgz#f936772ddb5eaa026591ea14ef806e1385fbbda9"
-  integrity sha512-r2ow/EmDibjoCNJp35mB1CcPs2xBF9fp2eoWuUOJmpVQyzdba6EnqsSD1BxwXzF9vQ5WkQ2UbfXBIvpomrdioQ==
+electron@4:
+  version "4.1.4"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-4.1.4.tgz#41ba9e041f38c25c62a7db806884410654df058f"
+  integrity sha512-MelOjntJvd33izEjR6H4N/Uii7y535z/b2BuYXJGLNSHL6o1IlyhUQmfiT87kWABayERgeuYERgvsyf956OOFw==
   dependencies:
     "@types/node" "^10.12.18"
     electron-download "^4.1.0"