Upgrade electron

package.json

@@ -6,7 +6,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "ava": "^0.25.0",
-    "electron": "^3.0.10",
+    "electron": "^4.1.1",
     "electron-devtools-installer": "^2.2.4",
     "electron-packager": "^12.2.0",
     "eslint-config-xo-overrides": "^1.1.2",

yarn.lock

@@ -193,10 +193,10 @@
   resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz#2b5a3ab3f918cca48a8c754c08168e3f03eba61b"
   integrity sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==
 
-"@types/node@^8.0.24":
-  version "8.10.37"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.10.37.tgz#d2db49dc6a4e087c3245f22b92061f22494771e5"
-  integrity sha512-Jp39foY8Euv/PG4OGPyzxis82mnjcUtXLEMA8oFMCE4ilmuJgZPdV2nZNV1moz+99EJTtcpOSgDCgATUwABKig==
+"@types/node@^10.12.18":
+  version "10.14.1"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-10.14.1.tgz#8701cd760acc20beba5ffe0b7a1b879f39cb8c41"
+  integrity sha512-Rymt08vh1GaW4vYB6QP61/5m/CFLGnFZP++bJpWbiNxceNa6RBipDmb413jvtSf/R1gg5a/jQVl2jY4XVRscEA==
 
 abbrev@1:
   version "1.1.1"
@@ -2393,12 +2393,12 @@ electron-store@^2.0.0:
   dependencies:
     conf "^2.0.0"
 
-electron@^3.0.10:
-  version "3.0.10"
-  resolved "https://registry.yarnpkg.com/electron/-/electron-3.0.10.tgz#7d412856e8cf0d3041a612a32dd09e2af2d50f50"
-  integrity sha512-I39IeQP3NOlbjKzTDK8uK2JdiHDfhV5SruCS2Gttkn2MaKCY+yIzQ6Wr4DyBXLeTEkL1sbZxbqQVhCavAliv5w==
+electron@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/electron/-/electron-4.1.1.tgz#dc9343ba829cabbf01364761e72796f766704184"
+  integrity sha512-ABIEXTw55eiCW30a6F8fWLHL0QeH+yK3JgZpvTZZWLnkO5/SmG38avMxRhKOUQstRpYb+EEpE8IAM2DVOaTvtw==
   dependencies:
-    "@types/node" "^8.0.24"
+    "@types/node" "^10.12.18"
     electron-download "^4.1.0"
     extract-zip "^1.0.3"