chore(deps): update dependency mocha to ^6.1.4

Author: renovate-bot

package.json

@@ -63,7 +63,7 @@
     "@types/sinon": "7.0.11",
     "@types/uuid": "3.4.4",
     "husky": "^1.3.1",
-    "mocha": "^6.0.0",
+    "mocha": "^6.1.4",
     "mock-require": "^3.0.3",
     "nyc": "^13.1.0",
     "prettier": "^1.16.4",