Implement OpenSSH password auth with sshpass
    
    Paramiko does not yet implement modern handshake variants with
    rsa-sha2-256. OpenSSH 8.2 release notes say that the old ssh-rsa
    algorithm (RSA with SHA-1 signature) be disabled soon. The algorithm does
    not work in FIPS either.
    
    The patch implements OpenSSH password-based logins using the sshpass
    utilility. It reads the password from a secure file and feeds it to
    OpenSSH command line tool.
    
    See: https://www.openssh.com/releasenotes.html
    See: https://linux.die.net/man/1/sshpass
    Signed-off-by: Christian Heimes <cheimes@redhat.com>