Bump @testing-library/jest-dom from 5.16.2 to 5.16.4 in /awx/ui

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 5.16.2 to 5.16.4.
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/main/CHANGELOG.md)
- [Commits](testing-library/jest-dom@v5.16.2...v5.16.4)

---
updated-dependencies:
- dependency-name: "@testing-library/jest-dom"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

awx/ui/package.json

@@ -45,7 +45,7 @@
     "@lingui/loader": "^3.8.3",
     "@lingui/macro": "^3.7.1",
     "@nteract/mockument": "^1.0.4",
-    "@testing-library/jest-dom": "^5.16.2",
+    "@testing-library/jest-dom": "^5.16.4",
     "@testing-library/react": "^12.1.5",
     "@wojtekmaj/enzyme-adapter-react-17": "0.6.5",
     "babel-plugin-macros": "3.1.0",