Add enterprise teams to the Copilot subscription for an enterprise

[!NOTE] This endpoint is in public preview and is subject to change.

Purchases a GitHub Copilot seat for all users within each specified enterprise team. The enterprise will be billed accordingly.

Only enterprise owners can purchase Copilot seats for their enterprise members.

The response contains the total number of new seats that were created and existing seats that were refreshed.

OAuth app tokens and personal access tokens (classic) need either the manage_billing:copilot or admin:enterprise scopes to use this endpoint.