Update Nightly URL for newly published versions on central.sonatype.com (#52004)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/52004

This is necessary because the snapshots are now going to be published on a different repository:
central.sonatype.com.

Changelog:
[Internal] [Changed] -

Reviewed By: cipolleschi

Differential Revision: D76596802

fbshipit-source-id: 424fb1134e41502d53b76209fba325c895c79ba8