bump vue dev dep version

Author: yyx990803

package-lock.json

@@ -46,7 +46,7 @@
     "rollup-watch": "^3.2.2",
     "rxjs": "^5.2.0",
     "typescript": "^2.5.2",
-    "vue": "^2.2.4"
+    "vue": "^2.5.0"
   },
   "eslintConfig": {
     "root": true,