chore(deps): bump @testing-library/user-event in /frontend

Bumps [@testing-library/user-event](https://github.com/testing-library/user-event) from 14.5.2 to 14.6.0.
- [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)

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

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

frontend/package.json

@@ -15,7 +15,7 @@
     "@sentry/react": "7.108.0",
     "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/react": "^12.1.5",
-    "@testing-library/user-event": "^14.5.2",
+    "@testing-library/user-event": "^14.6.0",
     "@types/accounting": "^0.4.5",
     "@types/jest": "^29.5.14",
     "@types/react": "^16.14.55",