Bump mocha from 8.1.0 to 8.2.1

Bumps [mocha](https://github.com/mochajs/mocha) from 8.1.0 to 8.2.1.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v8.1.0...v8.2.1)

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

Author: dependabot-preview[bot]

package.json

@@ -87,7 +87,7 @@
     "eslint-plugin-prettier": "^3.1.4",
     "fixturify": "^2.1.0",
     "loader.js": "^4.7.0",
-    "mocha": "^8.1.0",
+    "mocha": "^8.2.1",
     "module-name-inliner": "link:./tests/dummy/lib/module-name-inliner",
     "prettier": "^2.2.1",
     "qunit-dom": "^1.5.0",