Bump karma from 6.4.2 to 6.4.3 (#67)

Bumps [karma](https://github.com/karma-runner/karma) from 6.4.2 to 6.4.3.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](karma-runner/karma@v6.4.2...v6.4.3)

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

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

package.json

@@ -53,7 +53,7 @@
     "@types/jasmine": "~5.1.4",
     "autoprefixer": "^10.4.17",
     "jasmine-core": "~5.1.2",
-    "karma": "~6.4.2",
+    "karma": "~6.4.3",
     "karma-chrome-launcher": "~3.2.0",
     "karma-coverage": "~2.2.1",
     "karma-jasmine": "~5.1.0",