Bump @testing-library/react from 14.2.1 to 15.0.2 in /jornet-server-ui

Bumps [@testing-library/react](https://github.com/testing-library/react-testing-library) from 14.2.1 to 15.0.2.
- [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@v14.2.1...v15.0.2)

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

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

jornet-server-ui/package.json

@@ -8,7 +8,7 @@
     "@fortawesome/free-solid-svg-icons": "^6.1.2",
     "@fortawesome/react-fontawesome": "^0.2.0",
     "@testing-library/jest-dom": "^6.4.2",
-    "@testing-library/react": "^14.2.1",
+    "@testing-library/react": "^15.0.2",
     "@testing-library/user-event": "^14.5.2",
     "@types/jest": "^29.5.12",
     "@types/node": "^20.11.19",