Bump karma from 4.4.1 to 6.3.14 (#74)

Bumps [karma](https://github.com/karma-runner/karma) from 4.4.1 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/v4.4.1...v6.3.14)

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

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

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

package.json

@@ -27,7 +27,7 @@
     "fork-ts-checker-webpack-plugin": "3.1.1",
     "jasmine": "3.5.0",
     "jasmine-core": "3.5.0",
-    "karma": "4.4.1",
+    "karma": "6.3.14",
     "karma-chrome-launcher": "3.1.0",
     "karma-jasmine": "2.0.1",
     "karma-jasmine-ajax": "0.1.13",