Update dependency eslint-plugin-vue to v7.20.0

Author: renovate-bot

package-lock.json

@@ -67,7 +67,7 @@
     "eslint-plugin-node": "11.1.0",
     "eslint-plugin-promise": "5.1.0",
     "eslint-plugin-standard": "4.1.0",
-    "eslint-plugin-vue": "7.19.1",
+    "eslint-plugin-vue": "7.20.0",
     "jest": "26.6.3",
     "lodash": "4.17.21",
     "rimraf": "3.0.2",