Bump mocha from 8.3.2 to 9.0.1 (#375)

Bumps [mocha](https://github.com/mochajs/mocha) from 8.3.2 to 9.0.1.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v8.3.2...v9.0.1)

---
updated-dependencies:
- dependency-name: mocha
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -58,7 +58,7 @@
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^3.0.0",
     "karma-mocha": "^2.0.0",
-    "mocha": "^8.0.1",
+    "mocha": "^9.0.1",
     "npm-run-all": "^4.1.5",
     "prettier": "2.2.1",
     "rollup": "^2.6.1",