chore: update deps

Author: webfansplz

packages/playground/vue2/package.json

@@ -7,7 +7,7 @@
   },
   "dependencies": {
     "@vue/composition-api": "^1.7.1",
-    "vue": "2.6.14",
+    "vue": "2.7.14",
     "vue-template-compiler": "2.7.14"
   },
   "devDependencies": {