chore(package): update standard to version 11.0.0

Author: greenkeeper[bot]

package.json

@@ -27,7 +27,7 @@
     "mocha": "^5.0.0",
     "nyc": "^11.0.2",
     "should": "^13.0.1",
-    "standard": "^10.0.2"
+    "standard": "^11.0.0"
   },
   "dependencies": {
     "xtend": "^4.0.1"