Ticket 49673 -  nsslapd-cachememsize can't be set to a value bigger than MAX_INT
    
    Bug Description:  Regression from ticket https://pagure.io/389-ds-base/issue/49618
                      This ticket accidentally set a MAX_INT cap on the entry cachesize.
    
    Fix Description:  Set proper max value allowed for entry and dn caches (uint64)
    
    https://pagure.io/389-ds-base/issue/49673
    
    Reviewed by: mreynolds(one line commit rule)