chore(package): update standard to version 12.0.1

Closes #35

Author: greenkeeper[bot]

package.json

@@ -18,7 +18,7 @@
     "reshape": "^1.0.0",
     "reshape-custom-elements": "^0.1.0",
     "reshape-parser": "^1.0.0",
-    "standard": "11.0.1"
+    "standard": "12.0.1"
   },
   "engines": {
     "node": ">= 6.0.0"