build(deps-dev): bump @testing-library/react in /frontend

Bumps [@testing-library/react](https://github.com/testing-library/react-testing-library) from 15.0.7 to 16.0.1.
- [Release notes](https://github.com/testing-library/react-testing-library/releases)
- [Changelog](https://github.com/testing-library/react-testing-library/blob/main/CHANGELOG.md)
- [Commits](testing-library/react-testing-library@v15.0.7...v16.0.1)

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

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

frontend/package.json

@@ -49,7 +49,7 @@
     "@tailwindcss/typography": "0.5.15",
     "@testing-library/dom": "10.4.0",
     "@testing-library/jest-dom": "6.5.0",
-    "@testing-library/react": "15.0.7",
+    "@testing-library/react": "16.0.1",
     "@trivago/prettier-plugin-sort-imports": "4.3.0",
     "@types/jest": "29.5.13",
     "@types/jest-axe": "3.5.9",