build(deps): bump @testing-library/jest-dom in /frontend (#8)

Bumps [@testing-library/jest-dom](https://github.com/testing-library/jest-dom) from 6.2.0 to 6.4.2.
- [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/v6.2.0...v6.4.2)

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

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frontend/package.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "@grafana/faro-web-sdk": "^1.3.9",
     "@pdf-lib/fontkit": "^1.1.1",
-    "@testing-library/jest-dom": "^6.1.4",
+    "@testing-library/jest-dom": "^6.4.2",
     "@testing-library/react": "^14.0.0",
     "@testing-library/user-event": "^14.5.1",
     "@types/jest": "^29.5.6",