Bump karma-mocha from 1.3.0 to 2.0.1

Bumps [karma-mocha](https://github.com/karma-runner/karma-mocha) from 1.3.0 to 2.0.1.
- [Release notes](https://github.com/karma-runner/karma-mocha/releases)
- [Changelog](https://github.com/karma-runner/karma-mocha/blob/master/CHANGELOG.md)
- [Commits](karma-runner/karma-mocha@v1.3.0...v2.0.1)

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

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

package.json

@@ -43,7 +43,7 @@
     "karma": "^6.3.12",
     "karma-browserify": "^8.1.0",
     "karma-firefox-launcher": "^2.1.2",
-    "karma-mocha": "^1.2.0",
+    "karma-mocha": "^2.0.1",
     "karma-mocha-reporter": "^2.2.0",
     "karma-safari-launcher": "^1.0.0",
     "mocha": "^6.1.4",