chore(deps): update dependency mocha to v5.0.0

Author: renovate-bot

package-lock.json

@@ -39,7 +39,7 @@
     "assert-rejects": "0.1.1",
     "dotenv": "4.0.0",
     "jscpd": "0.6.17",
-    "mocha": "4.1.0",
+    "mocha": "5.0.0",
     "mysql": "2.15.0",
     "nyc": "11.4.1",
     "power-assert": "1.4.4",