New `deactivate_users` mutation

In API versions 2025-01 and later, you can deactivate users through the API using the new deactivate_users mutation!

mutation {
  deactivate_users (user_ids: [54321, 12345]) {
    deactivated_users {
     id
     name
    }
    errors {
      message
      code
      user_id
    }
  }
}