Update dependency vue to v3 [SECURITY]

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
     "cheerio": "1.0.0-rc.5",
     "core-js": "3.8.3",
     "paper": "0.12.11",
-    "vue": "2.6.12",
+    "vue": "3.0.0",
     "vuetify": "2.4.3"
   },
   "devDependencies": {