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

Bumps [@testing-library/react](https://github.com/testing-library/react-testing-library) from 12.1.2 to 12.1.5.
- [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@v12.1.2...v12.1.5)

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

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

Author: dependabot[bot]

frontendui/package-lock.json

@@ -6,7 +6,7 @@
     "@material-ui/core": "^4.12.4",
     "@material-ui/icons": "^4.11.3",
     "@testing-library/jest-dom": "^5.16.5",
-    "@testing-library/react": "^12.1.2",
+    "@testing-library/react": "^12.1.5",
     "@testing-library/user-event": "^14.4.3",
     "axios": "^0.27.2",
     "react": "^17.0.2",