Bump karma from 5.1.1 to 6.3.16

Bumps [karma](https://github.com/karma-runner/karma) from 5.1.1 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@v5.1.1...v6.3.16)

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

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

Author: dependabot[bot]

package.json

@@ -87,7 +87,7 @@
     "express": "^4.17.1",
     "husky": "^0.14.3",
     "jquery": "^3.5.0",
-    "karma": "5.1.1",
+    "karma": "6.3.16",
     "karma-browserify": "^7.0.0",
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage": "^2.0.3",