Update dependency @vue/cli-plugin-eslint to v5

package.json

@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@vue/cli-plugin-babel": "^4.5.13",
-    "@vue/cli-plugin-eslint": "^4.5.13",
+    "@vue/cli-plugin-eslint": "^5.0.0",
     "@vue/cli-plugin-unit-jest": "^4.5.13",
     "@vue/cli-service": "^4.5.13",
     "@vue/test-utils": "^1.0.0-beta.20",