chore(package): update snazzy to version 7.1.1

Closes #31

Author: greenkeeper[bot]

package.json

@@ -12,7 +12,7 @@
     "coveralls": "2.x",
     "nyc": "^10.0.0",
     "reshape": "0.4.2",
-    "snazzy": "^6.0.0",
+    "snazzy": "^7.1.1",
     "standard": "10.0.0"
   },
   "engines": {