chore(package): update snazzy to version 8.0.0 (#19)

Author: greenkeeper[bot]

package.json

@@ -31,7 +31,7 @@
     "make-promises-safe": "^1.1.0",
     "pre-commit": "^1.2.2",
     "simple-get": "^3.0.0",
-    "snazzy": "^7.1.1",
+    "snazzy": "^8.0.0",
     "standard": "^11.0.0",
     "tap": "^12.0.0"
   },