chore(package): update mocha to version 6.1.4

Author: greenkeeper[bot]

package.json

@@ -24,7 +24,7 @@
     "eslint": "4.19.0",
     "eslint-config-airbnb-base": "12.1.0",
     "eslint-plugin-import": "2.17.0",
-    "mocha": "6.1.3"
+    "mocha": "6.1.4"
   },
   "keywords": [
     "curl",