chore(deps): update dependency jest-serializer-vue to v2 (vueComponent#1613)

Author: renovate[bot]

package.json

@@ -116,7 +116,7 @@
         "husky": "^3.1.0",
         "istanbul-instrumenter-loader": "^3.0.0",
         "jest": "^24.0.0",
-        "jest-serializer-vue": "^1.0.0",
+        "jest-serializer-vue": "^2.0.0",
         "jest-transform-stub": "^2.0.0",
         "js-base64": "^2.4.8",
         "jsonp": "^0.2.1",