feat: add React 18 as peerDependency (#3993)
feat: add React 18 as peerDependency (#3993)

Summary:
React Native 0.69 already depends on React 18 so it complains when using latest version of react-native-flipper.

## Changelog
Added React 18 as peer dependency for react-native-flipper

Pull Request resolved: https://github.com/facebook/flipper/pull/3993

Reviewed By: passy

Differential Revision: D38785141

Pulled By: mweststrate

fbshipit-source-id: 82b1832efde879a4dffec39f54fe61c521a56021

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