build(deps-dev): bump karma from 1.7.1 to 6.3.16

Bumps [karma](https://github.com/karma-runner/karma) from 1.7.1 to 6.3.16.
- [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/1.7.1...v6.3.16)

---
updated-dependencies:
- dependency-name: karma
  dependency-type: direct:development
...
Signed-off-by: Ndependabot[bot] <support@github.com>

package.json

@@ -113,7 +113,7 @@
     "husky": "^1.0.0-rc.6",
     "inject-loader": "^3.0.0",
     "js-cookie": "^2.1.4",
-    "karma": "^1.4.1",
+    "karma": "^6.3.16",
     "karma-coverage": "^1.1.1",
     "karma-mocha": "^1.3.0",
     "karma-phantomjs-launcher": "^1.0.2",