Chore(deps-dev): bump prettier from 1.19.1 to 2.4.1

package.json

@@ -65,7 +65,7 @@
     "eslint-plugin-import": "^2.20.0",
     "eslint-plugin-prettier": "^3.1.2",
     "eslint-plugin-vue": "^6.1.2",
-    "prettier": "^1.19.1",
+    "prettier": "^2.4.1",
     "wait-on": "^6.0.0"
   },
   "snyk": true