Bump karma from 6.4.0 to 6.4.1

Bumps [karma](https://github.com/karma-runner/karma) from 6.4.0 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](karma-runner/karma@v6.4.0...v6.4.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "jasmine": "^4.2.0",
     "jshint": "^2.13.5",
     "jshint-stylish": "^2.0.0",
-    "karma": "^6.4.0",
+    "karma": "^6.4.1",
     "karma-chrome-launcher": "^3.1.1",
     "karma-cli": "^2.0.0",
     "karma-jasmine": "^5.1.0",