Bump karma from 6.3.20 to 6.4.1 in /frontend (#99)

Bumps [karma](https://github.com/karma-runner/karma) from 6.3.20 to 6.4.1.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma/compare/v6.3.20...v6.4.1)

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

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

frontend/package.json

@@ -33,7 +33,7 @@
     "@angular/compiler-cli": "^14.0.0",
     "@types/jasmine": "~4.0.0",
     "jasmine-core": "~4.1.0",
-    "karma": "~6.3.0",
+    "karma": "~6.4.1",
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage": "~2.2.0",
     "karma-jasmine": "~5.1.0",