chore(package): update mocha to version 5.1.0

Author: greenkeeper[bot]

package.json

@@ -60,7 +60,7 @@
     "eslint-plugin-prettier": "~2.6.0",
     "eslint-plugin-react": "~7.7.0",
     "husky": "~0.14.3",
-    "mocha": "~5.0.4",
+    "mocha": "~5.1.0",
     "nyc": "~11.6.0",
     "prettier": "~1.12.0",
     "readline-sync": "~1.4.9",