chore(package): update standard to version 13.0.1

Author: greenkeeper[bot]

package.json

@@ -47,7 +47,7 @@
     "eslint-plugin-react": "^7.3.0",
     "eslint-plugin-standard": "^4.0.0",
     "semantic-release": "^15.10.7",
-    "standard": "^12.0.1"
+    "standard": "^13.0.1"
   },
   "standard": {
     "ignore": [