Changes to Cancel Account Deletion

added the optional property cancel_at_period_end to the response with the 200 status

added the optional property current_period_end to the response with the 200 status

added the optional property past_due_ends_at to the response with the 200 status

added the optional property subscription_status to the response with the 200 status

added the required property billing_access_source to the response with the 200 status

added the required property effective_tier to the response with the 200 status

added the required property personal_tier to the response with the 200 status