drop support for ansible 2.8; fix sshd el6 bug
    
    drop support for Ansible 2.8 - min_ansible_version is now 2.9
    Resolves: rhbz#1989197 (EL9)
    Resolves: rhbz#1989199 (EL8)
    
    sshd - fix rhel6 support - failed to validate: error:Missing Match criteria for all Bad Match condition
    Resolves: rhbz#1991598 (EL9)
    Resolves: rhbz#1990947 (EL8)