Bump mocha from 7.2.0 to 8.0.1

Bumps [mocha](https://github.com/mochajs/mocha) from 7.2.0 to 8.0.1.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v7.2.0...v8.0.1)

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

package.json

@@ -63,7 +63,7 @@
     "html-validator": "^5.1.14",
     "htmlencode": "0.0.4",
     "lockfile-lint": "^4.3.6",
-    "mocha": "^7.2.0",
+    "mocha": "^8.0.1",
     "mockdate": "^3.0.2",
     "nodemon": "^2.0.4",
     "npm-run-all": "^4.1.5",