chore(deps-dev): bump mocha from 8.3.2 to 8.4.0

Bumps [mocha](https://github.com/mochajs/mocha) from 8.3.2 to 8.4.0.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v8.3.2...v8.4.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -62,7 +62,7 @@
     "eslint-plugin-chai-friendly": "^0.6.0",
     "eslint-plugin-mocha": "^8.1.0",
     "markdownlint-cli": "^0.27.1",
-    "mocha": "^8.3.2",
+    "mocha": "^8.4.0",
     "npm-run-all": "^4.1.5",
     "nyc": "^15.1.0",
     "semantic-release": "^17.4.2",