build(deps-dev): bump mocha from 7.2.0 to 8.1.0

Bumps [mocha](https://github.com/mochajs/mocha) from 7.2.0 to 8.1.0.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v7.2.0...v8.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -23,7 +23,7 @@
     "eslint": "^7.0.0",
     "husky": "^4.0.0",
     "istanbul": "^0.4.5",
-    "mocha": "^7.0.0",
+    "mocha": "^8.1.0",
     "semantic-release": "^15.13.15"
   },
   "scripts": {