chore(deps-dev): update mocha requirement

Updates the requirements on [mocha](https://github.com/mochajs/mocha) to permit the latest version.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v8.3.1...v8.3.2)

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

packages/generator/app/templates/package.json

@@ -67,7 +67,7 @@
     "karma-sourcemap-loader": "^0.3.8",
     "karma-teamcity-reporter": "^1.1.0",
     "karma-webpack": "^5.0.0",
-    "mocha": "^8.3.1",
+    "mocha": "^8.3.2",
     "react-test-renderer": "^17.0.1",
     "sinon": "^9.2.4",
     "sinon-chai": "^3.5.0",