Spec file: bump augeas-libs version
    
    Older augeas does not support new options provided by chrony:
     sourcedir /run/chrony-dhcp
     ntsdumpdir /var/lib/chrony
    and is failing to update /etc/chrony.conf in ipa installer.
    
    Bump augeas-libs version to require the fix:
    1.12.0-6 on fedora 33+
    1.12.0-3 otherwise
    
    Fixes: https://pagure.io/freeipa/issue/8676
    Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
    Reviewed-By: Francois Cami <fcami@redhat.com>