chore(package): update standard to version 12.0.1

Closes #110

Author: greenkeeper[bot]

package.json

@@ -32,7 +32,7 @@
     "long": "^4.0.0",
     "pre-commit": "^1.2.2",
     "proxyquire": "^2.0.0",
-    "standard": "^11.0.1",
+    "standard": "^12.0.1",
     "tap": "^12.0.0",
     "uglify-es": "^3.3.9"
   },