rename build-ios to build-ios-dependencies (#51480)

Summary:
This change renames the build-ios workflow to build-ios-dependencies to prepare for build-ios-core

## Changelog:
[Internal] - Rename build-ios to build-ios-dependencies

Pull Request resolved: https://github.com/facebook/react-native/pull/51480

Test Plan: GHA

Reviewed By: cortinico, rshest

Differential Revision: D75133854

Pulled By: cipolleschi

fbshipit-source-id: 05282a9c1088917c86e43b4d63a790482c0cf2e6