chore(package): update @vue/cli-plugin-eslint to version 4.3.1

Closes #38

Author: greenkeeper[bot]

package.json

@@ -19,7 +19,7 @@
   "devDependencies": {
     "@fortawesome/fontawesome-free": "^5.7.2",
     "@vue/cli-plugin-babel": "^3.4.0",
-    "@vue/cli-plugin-eslint": "^3.4.0",
+    "@vue/cli-plugin-eslint": "^4.3.1",
     "@vue/cli-plugin-pwa": "^3.4.0",
     "@vue/cli-service": "^3.4.0",
     "babel-eslint": "^10.0.1",