chore(deps): update dependency mocha to v8.4.0

Author: renovate[bot]

package-lock.json

@@ -56,12 +56,12 @@
     "@types/chai": "4.2.15",
     "@types/chai-as-promised": "7.1.3",
     "@types/lodash": "4.14.168",
-    "@types/mocha": "8.2.2",
+    "@types/mocha": "8.2.3",
     "@types/node": "14.14.37",
     "chai": "4.3.4",
     "chai-as-promised": "7.1.1",
     "coveralls": "3.1.0",
-    "mocha": "8.3.2",
+    "mocha": "8.4.0",
     "nyc": "15.1.0",
     "source-map-support": "0.5.19",
     "ts-node": "9.1.1",