build(deps): bump react from 16.8.5 to 16.8.6

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 16.8.5 to 16.8.6.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/HEAD/packages/react)

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

Author: dependabot-support