Set Selected Repositories For An Organization Secret

Replaces all repositories for an organization secret when the `visibility` for repository access is set to `selected`. The visibility is set when you [Create or update an organization secret](https://docs.github.com/[email protected]/rest/dependabot/secrets#create-or-update-an-organization-secret). OAuth app tokens and personal access tokens (classic) need the `admin:org` scope to use this endpoint.