Function dataflow::source::s3::release_messages

async fn release_messages(
    client: &SqsClient, 
    message: Option<SqsMessage>, 
    messages: impl Iterator<Item = SqsMessage>, 
    queue_url: String, 
    source_id: &str, 
    failed_key: Option<String>
)

Set the SQS visibility timeout back to zero, allowing the messages to be sent to other clients