fix(deps): update dependency vue to v3 [security]

Author: renovate[bot]

playground/vls-vue2/package.json

@@ -9,7 +9,7 @@
     "serve": "vite preview"
   },
   "dependencies": {
-    "vue": "^2.6.14",
+    "vue": "^3.0.0",
     "vue-class-component": "7.2.6",
     "vue-property-decorator": "9.1.2",
     "vue-router": "3.5.1",