feat: support managing access for a private repository

[gberenice]

Info

• Adding a resource that allows setting the access level of private repository actions and reusable workflows for use in other repositories.
• I'm testing a reusable action for STS, but the actions repo is not configured to allow access from sts-backend (or any other org repo).

References

• https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/enabling-features-for-your-repository/managing-github-actions-settings-for-a-repository#managing-access-for-a-private-repository-in-an-organization

[Gowiem]

[kevcube]

@gberenice if it makes sense please also PR this upstream, I reached out to the mineiros peeps and they're going to be more active in maintenance of their modules soon!

[gberenice]

@gberenice if it makes sense please also PR this upstream, I reached out to the mineiros peeps and they're going to be more active in maintenance of their modules soon!

Let's see when they merge your PR :)
But yeah, I'll get back to this a bit later.