Bump karma-chrome-launcher from 2.2.0 to 3.1.0 (#276)

Bumps [karma-chrome-launcher](https://github.com/karma-runner/karma-chrome-launcher) from 2.2.0 to 3.1.0.
- [Release notes](https://github.com/karma-runner/karma-chrome-launcher/releases)
- [Changelog](https://github.com/karma-runner/karma-chrome-launcher/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma-chrome-launcher/compare/v2.2.0...v3.1.0)

---
updated-dependencies:
- dependency-name: karma-chrome-launcher
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -127,7 +127,7 @@
     "jasmine-reporters": "^2.3.2",
     "json-loader": "^0.5.4",
     "karma": "^1.7.1",
-    "karma-chrome-launcher": "^2.2.0",
+    "karma-chrome-launcher": "^3.1.0",
     "karma-firefox-launcher": "^1.0.0",
     "karma-ie-launcher": "^1.0.0",
     "karma-jasmine": "^2.0.1",