Set client keytab location for 389ds
    
    Handles behavior change in
    https://github.com/389ds/389-ds-base/pull/4523
    
    Fixes: https://pagure.io/freeipa/issue/8656
    Signed-off-by: Robbie Harwood <rharwood@redhat.com>
    Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>