Update dependency @testing-library/react to v11

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@testing-library/react	dependencies	major	10.4.9 -> 11.0.1

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Release Notes

testing-library/react-testing-library

### [`v11.0.1`](https://togithub.com/testing-library/react-testing-library/releases/v11.0.1) [Compare Source](https://togithub.com/testing-library/react-testing-library/compare/v11.0.0...v11.0.1) ##### Bug Fixes - Update typings for cleanup ([#​776](https://togithub.com/testing-library/react-testing-library/issues/776)) ([9191890](https://togithub.com/testing-library/react-testing-library/commit/9191890c882314c0048206e23a1fff40561b7ee4)) ### [`v11.0.0`](https://togithub.com/testing-library/react-testing-library/releases/v11.0.0) [Compare Source](https://togithub.com/testing-library/react-testing-library/compare/v10.4.9...v11.0.0) ##### Features - use act to flush instead of custom implementation ([#​768](https://togithub.com/testing-library/react-testing-library/issues/768)) ([693228c](https://togithub.com/testing-library/react-testing-library/commit/693228ce10f23e2b695730ea88dbdaa35506e00e)) ##### BREAKING CHANGES - cleanup is now synchronous and wraps the unmounting process in `act`.

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