Bump @testing-library/user-event from 14.5.2 to 14.6.1 in /ui

Bumps [@testing-library/user-event](https://github.com/testing-library/user-event) from 14.5.2 to 14.6.1.
- [Release notes](https://github.com/testing-library/user-event/releases)
- [Changelog](https://github.com/testing-library/user-event/blob/main/CHANGELOG.md)
- [Commits](testing-library/user-event@v14.5.2...v14.6.1)

---
updated-dependencies:
- dependency-name: "@testing-library/user-event"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ui/package-lock.json

@@ -8,7 +8,7 @@
     "@seiboston/react-ghe-login": "^1.0.1",
     "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/react": "^16.2.0",
-    "@testing-library/user-event": "^14.5.2",
+    "@testing-library/user-event": "^14.6.1",
     "@types/enzyme": "^3.10.18",
     "@types/jest": "^29.5.14",
     "@types/node": "^22.10.10",