Bump karma from 6.3.14 to 6.3.16 (#542)

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
...

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

Author: dependabot[bot]

package-lock.json

@@ -41,7 +41,7 @@
     "grunt-jsdoc": "^2.4.1",
     "grunt-string-replace": "~1.3.1",
     "ink-docstrap": "^1.3.2",
-    "karma": "^6.3.14",
+    "karma": "^6.3.16",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^3.1.0",
     "karma-firefox-launcher": "^2.1.0",