pass github token to cache clean action (#45508)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/45508

The scripts/clean-gha-cache.js uses the `gh` cli too, which expects the GITHUB_TOKEN presented GH_TOKEN.  Also allowed us to manually kick off this workflow.

Changelog: [Internal]

Reviewed By: cipolleschi

Differential Revision: D59901639

fbshipit-source-id: f3543cc83cbf67b6969abc3390790e038e06c305