chore(package): update mocha to version 5.0.0 (#43)

Author: greenkeeper[bot]

package.json

@@ -37,7 +37,7 @@
     "codeclimate-test-reporter": "^0.5.0",
     "hiredis": "^0.5.0",
     "istanbul": "^0.4.0",
-    "mocha": "^4.0.0",
+    "mocha": "^5.0.0",
     "standard": "^10.0.0"
   },
   "author": "Ruben Bridgewater",