709c42f DP: Add dp_sbus_invalidate_group_memcache()

Authored and Committed by fidencio 6 months ago
    DP: Add dp_sbus_invalidate_group_memcache()
    
    This function will be called from the data provider to the NSS
    responder, which will invalidate a group in the memcache.
    
    Related:
    https://pagure.io/SSSD/sssd/issue/2653
    
    Signed-off-by: Fabiano FidĂȘncio <fidencio@redhat.com>
    Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>