Debian: Add fixes for OpenDNSSEC 2.0
    
    Debian/Ubuntu use OpenDNSSEC 2.0, which has different commands to manage
    zones and keys.
    
    Co-authored-by: Timo Aaltonen <tjaalton@debian.org>
    Signed-off-by: Christian Heimes <cheimes@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>