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: dependabot[bot] <support@github.com>

package.json

@@ -10,7 +10,7 @@
     "grunt-exec": "~0.4.7",
     "grunt-karma": "^2.0.0",
     "grunt-ts": "^5.5.1",
-    "karma": "^1.1.0",
+    "karma": "^6.3.16",
     "karma-chai": "^0.1.0",
     "karma-mocha": "^1.1.1",
     "karma-phantomjs-launcher": "^1.0.1",