chore(deps): update dependency karma to v6.4.2 (#323)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [karma](https://karma-runner.github.io/)
([source](https://togithub.com/karma-runner/karma)) | [`6.4.1` ->
`6.4.2`](https://renovatebot.com/diffs/npm/karma/6.4.1/6.4.2) |
[![age](https://badges.renovateapi.com/packages/npm/karma/6.4.2/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/npm/karma/6.4.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/npm/karma/6.4.2/compatibility-slim/6.4.1)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/npm/karma/6.4.2/confidence-slim/6.4.1)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>karma-runner/karma</summary>

###
[`v6.4.2`](https://togithub.com/karma-runner/karma/blob/HEAD/CHANGELOG.md#&#8203;642-httpsgithubcomkarma-runnerkarmacomparev641v642-2023-04-21)

[Compare
Source](https://togithub.com/karma-runner/karma/compare/v6.4.1...v6.4.2)

##### Bug Fixes

- few typos
([c6a4271](https://togithub.com/karma-runner/karma/commit/c6a42710b40e81269f1e6c5d5bb55d01188a8872))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "before 3am on Monday" in timezone
America/New_York, Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://app.renovatebot.com/dashboard#github/openedx/edx-ui-toolkit).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNS41OC4wIiwidXBkYXRlZEluVmVyIjoiMzUuNTguMCJ9-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

package.json

@@ -49,7 +49,7 @@
     "jasmine-core": "2.99.1",
     "jsdoc3-parser": "2.0.0",
     "jsdox": "0.4.10",
-    "karma": "6.4.1",
+    "karma": "6.4.2",
     "karma-chrome-launcher": "2.2.0",
     "karma-coverage": "2.2.0",
     "karma-coveralls": "2.1.0",