chore(deps): update react to v16.13.1

[thi-bot]

This PR contains the following updates:

Package	Update	Type	Change	Sourcegraph
react (source)	patch	devDependencies	16.13.0 -> 16.13.1
react-dom (source)	patch	devDependencies	16.13.0 -> 16.13.1
react-test-renderer (source)	patch	devDependencies	16.13.0 -> 16.13.1

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Release Notes

facebook/react

### [`v16.13.1`](https://togithub.com/facebook/react/blob/master/CHANGELOG.md#​16131-March-19-2020) [Compare Source](https://togithub.com/facebook/react/compare/v16.13.0...v16.13.1) ##### React DOM - Fix bug in legacy mode Suspense where effect clean-up functions are not fired. This only affects users who use Suspense for data fetching in legacy mode, which is not technically supported. ([@​acdlite](https://togithub.com/acdlite) in [#​18238](https://togithub.com/facebook/react/pull/18238)) - Revert warning for cross-component updates that happen inside class render lifecycles (`componentWillReceiveProps`, `shouldComponentUpdate`, and so on). ([@​gaearon](https://togithub.com/gaearon) in [#​18330](https://togithub.com/facebook/react/pull/18330))

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