Bump karma from 5.2.3 to 6.3.14

Bumps [karma](https://github.com/karma-runner/karma) from 5.2.3 to 6.3.14.
- [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/v5.2.3...v6.3.14)

---
updated-dependencies:
- dependency-name: karma
  dependency-type: direct:development
...

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

package.json

@@ -158,7 +158,7 @@
     "jasmine-core": "~3.6.0",
     "jasmine-marbles": "0.6.0",
     "jasmine-spec-reporter": "~5.0.0",
-    "karma": "^5.2.3",
+    "karma": "^6.3.14",
     "karma-chrome-launcher": "~3.1.0",
     "karma-coverage-istanbul-reporter": "~3.0.2",
     "karma-jasmine": "~4.0.0",