Fix release regex for publish-release workflow (#45043)

Summary:
The existing regex is not workign. I've split it in two and tested it against a private repo.

## Changelog:

[INTERNAL] - Fix release regex for publish-release workflow

Pull Request resolved: https://github.com/facebook/react-native/pull/45043

Test Plan: Tested on privare repo with GHA

Reviewed By: cipolleschi

Differential Revision: D58736292

Pulled By: cortinico

fbshipit-source-id: f07ef32dcb0059922100c555f7894bbf0c7dd8f6