julia

b2a0e948 - use ssh multiplexing to create SSH workers with tunneling (#34295)

use ssh multiplexing to create SSH workers with tunneling (#34295) * use ssh multiplexing to create SSH workers with tunneling * rename funcname * add test to check existence of ssh multiplexing master socket * add doc for ssh multiplexing in SSHWorker * Fix typo * add :multiplex option to make SSH multiplexing configurable