Bump @testing-library/react from 9.5.0 to 11.2.6

Bumps [@testing-library/react](https://github.com/testing-library/react-testing-library) from 9.5.0 to 11.2.6.
- [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...v11.2.6)

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Author: dependabot[bot]