Add selected repository to an organization secret

Adds a repository to 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.

You must authenticate using an access token with the admin:org scope to use this endpoint. If the repository is private, you must use an access token with the repo scope. GitHub Apps must have the secrets organization permission to use this endpoint. Authenticated users must have collaborator access to a repository to create, update, or read secrets.