Build(deps-dev): bump eslint-plugin-vue from 6.2.2 to 8.1.1

package.json

@@ -68,7 +68,7 @@
     "eslint-loader": "^4.0.2",
     "eslint-plugin-import": "^2.25.3",
     "eslint-plugin-prettier": "^3.4.1",
-    "eslint-plugin-vue": "^6.1.2",
+    "eslint-plugin-vue": "^8.1.1",
     "prettier": "^2.4.1",
     "wait-on": "^6.0.0"
   },