chore(deps): bump @testing-library/react in /frontend/app

Bumps [@testing-library/react](https://github.com/testing-library/react-testing-library) from 16.3.1 to 16.3.2.
- [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@v16.3.1...v16.3.2)

---
updated-dependencies:
- dependency-name: "@testing-library/react"
  dependency-version: 16.3.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

frontend/app/package.json

@@ -46,7 +46,7 @@
   },
   "devDependencies": {
     "@testing-library/jest-dom": "^6.9.1",
-    "@testing-library/react": "^16.3.1",
+    "@testing-library/react": "^16.3.2",
     "@testing-library/user-event": "^14.6.1",
     "@types/node": "^20.10.0",
     "@types/react": "^18.2.45",