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] <support@github.com>

package.json

@@ -47,7 +47,7 @@
     "grunt-sass": "^3.1.0",
     "jquery": "^3.6.1",
     "jshint": "^2.13.5",
-    "karma": "6.4.0",
+    "karma": "6.4.1",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^3.1.1",
     "karma-coverage": "^2.2.0",