Bump Flipper to 0.99.0 (#31896)

Summary:
Includes fix included in a Flipper Pod for incorrect timestamps in the Network viewer with iOS apps
https://github.com/facebook/flipper/commit/1cf745613390e5ce87b72e09016c42784cb0566a

## Changelog

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[general][changed] - Update Flipper to 0.99.0

[CATEGORY] [TYPE] - Message

Pull Request resolved: https://github.com/facebook/react-native/pull/31896

Reviewed By: fkgozali

Differential Revision: D29881218

Pulled By: mdvacca

fbshipit-source-id: a206faa3d7b969a708d286884cff83bed5453d22