chore(package.json): Update dependency mocha to v7.2.0

Author: renovate-bot

package.json

@@ -79,7 +79,7 @@
     "eslint-plugin-prettier": "3.1.3",
     "husky": "4.2.5",
     "lint-staged": "10.2.4",
-    "mocha": "7.1.2",
+    "mocha": "7.2.0",
     "nightmare": "3.0.2",
     "prettier": "2.0.5",
     "rimraf": "3.0.2",