Chore(deps-dev): bump wait-on from 3.3.0 to 6.0.0

package.json

@@ -66,7 +66,7 @@
     "eslint-plugin-prettier": "^3.1.2",
     "eslint-plugin-vue": "^6.1.2",
     "prettier": "^1.19.1",
-    "wait-on": "^3.2.0"
+    "wait-on": "^6.0.0"
   },
   "snyk": true
 }