chore(package): update eslint to version 6.2.2

Closes #11

Author: greenkeeper[bot]

package.json

@@ -21,7 +21,7 @@
   "devDependencies": {
     "cz-conventional-changelog": "^2.0.0",
     "electron": "^1.6.10",
-    "eslint": "^3.19.0",
+    "eslint": "^6.2.2",
     "eslint-config-lludol": "^0.1.6"
   },
   "dependencies": {