Bump karma from 0.13.22 to 4.3.0

Bumps [karma](https://github.com/karma-runner/karma) from 0.13.22 to 4.3.0.
- [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/v0.13.22...v4.3.0)

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

package.json

@@ -55,7 +55,7 @@
     "gulp-babel": "^7.0.1",
     "gulp-eslint": "^3.0.1",
     "gulp-mocha": "^2.0.0",
-    "karma": "^0.13.3",
+    "karma": "^4.3.0",
     "karma-babel-preprocessor": "^7.0.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-mocha": "^1.3.0",