chore(deps-dev): bump @testing-library/jest-dom in /ui

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 5.17.0 to 6.0.0.
- [Release notes](https://github.com/testing-library/jest-dom/releases)
- [Changelog](https://github.com/testing-library/jest-dom/blob/main/CHANGELOG.md)
- [Commits](https://github.com/testing-library/jest-dom/compare/v5.17.0...v6.0.0)

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

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

ui/package.json

@@ -48,7 +48,7 @@
   },
   "devDependencies": {
     "@babel/plugin-proposal-private-property-in-object": "7.21.11",
-    "@testing-library/jest-dom": "5.17.0",
+    "@testing-library/jest-dom": "6.0.0",
     "@testing-library/react": "12.1.5",
     "@testing-library/react-hooks": "8.0.1",
     "@testing-library/user-event": "14.4.3",