build(deps-dev): bump eslint from 6.5.1 to 6.8.0 (#80)

Author: dependabot-preview[bot]

package-lock.json

@@ -37,7 +37,7 @@
     "chromedriver": "^78.0.1",
     "copy-webpack-plugin": "^5.1.1",
     "css-loader": "^3.2.0",
-    "eslint": "^6.5.1",
+    "eslint": "^6.8.0",
     "eslint-plugin-vue": "^5.2.3",
     "geckodriver": "^1.19.1",
     "jszip": "^2.6.1",