Update mocha to the latest version 🚀 (#2020)

* chore(package): update mocha to version 7.0.1

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -45,7 +45,7 @@
     "eslint-plugin-prettier": "^3.1.1",
     "eslint-plugin-promise": "^4.2.1",
     "lerna": "^3.18.3",
-    "mocha": "^6.2.2",
+    "mocha": "^7.0.1",
     "nyc": "^15.0.0",
     "plop": "^2.5.2",
     "prebuild": "^9.1.1",