Move to M1 machines (#44944)

Summary:
CircleCI is removing support for intel machines at the end of June, hence we have to migrate to M1.

## Changelog:
[Internal] - Migrate to M1

Pull Request resolved: https://github.com/facebook/react-native/pull/44944

Test Plan: CircleCI is green

Reviewed By: robhogan

Differential Revision: D58589100

Pulled By: cipolleschi

fbshipit-source-id: da7359d8c13093ef1595adc5fabb4f3628006c7a