Bump @testing-library/jest-dom from 4.2.4 to 5.0.0 in /ui

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 4.2.4 to 5.0.0.
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/master/CHANGELOG.md)
- [Commits](https://github.com/testing-library/jest-dom/compare/v4.2.4...v5.0.0)

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

ui/package.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "@testing-library/jest-dom": "^4.2.4",
+    "@testing-library/jest-dom": "^5.0.0",
     "@testing-library/react": "^9.3.2",
     "@testing-library/user-event": "^7.1.2",
     "prop-types": "^15.7.2",