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](karma-runner/karma@1.7.1...v6.3.16)

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

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

package.json

@@ -43,7 +43,7 @@
     "font-awesome-webpack": "0.0.4",
     "isparta-loader": "^2.0.0",
     "json-loader": "^0.5.4",
-    "karma": "^1.1.1",
+    "karma": "^6.3.16",
     "karma-chai": "^0.1.0",
     "karma-coverage": "^1.1.0",
     "karma-jsdom-launcher": "^3.0.0",