Bump karma from 6.3.14 to 6.3.16

Bumps [karma](https://github.com/karma-runner/karma) from 6.3.14 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@v6.3.14...v6.3.16)

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

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

package.json

@@ -119,7 +119,7 @@
     "jasmine": "~3.5.0",
     "jasmine-core": "^3.6.0",
     "jasmine-spec-reporter": "^4.2.1",
-    "karma": "^6.3.14",
+    "karma": "^6.3.16",
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage": "^2.0.3",
     "karma-electron": "^6.3.4",