Bump @testing-library/react from 9.5.0 to 10.2.1

Bumps [@testing-library/react](https://github.com/testing-library/react-testing-library) from 9.5.0 to 10.2.1.
- [Release notes](https://github.com/testing-library/react-testing-library/releases)
- [Changelog](https://github.com/testing-library/react-testing-library/blob/master/CHANGELOG.md)
- [Commits](testing-library/react-testing-library@v9.5.0...v10.2.1)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -7,7 +7,7 @@
     "@material-ui/icons": "^4.9.1",
     "@material-ui/styles": "^4.10.0",
     "@testing-library/jest-dom": "^5.10.1",
-    "@testing-library/react": "^9.5.0",
+    "@testing-library/react": "^10.2.1",
     "@testing-library/user-event": "^10.4.1",
     "@types/highlight.js": "^9.12.4",
     "@types/jest": "^26.0.0",