Update mocha to latest.

Author: Robert Jackson

package.json

@@ -35,7 +35,7 @@
     "eslint": "^6.8.0",
     "eslint-plugin-mocha": "^6.3.0",
     "eslint-plugin-node": "^11.1.0",
-    "mocha": "^5.0.0",
+    "mocha": "^8.2.0",
     "release-it": "^14.2.0",
     "release-it-lerna-changelog": "^3.0.0",
     "request": "^2.81.0",