Bump @testing-library/react from 12.1.2 to 12.1.5

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
...

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Author: dependabot[bot]