Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/35633
Changelog: [Internal]
These changes add usage of `forEachPackage` as a replacement for `yarn --json workspaces info`.
This is because at some point in release cycle there is a script which removed `workspaces` block from react-native's `package.json`, so `yarn --info workspaces info` produces an error
Reviewed By: cortinico
Differential Revision: D41996732
fbshipit-source-id: 2c62c1a5eb41d711c563f9f7b0de3d67fc11823d