update to 4.7.0

[xtuple] / foundation-database / public / tables / metric.sql

-- Proof of concept
insert into metric (metric_name, metric_value)
select 'UnifiedBuild', 'true'
where not exists (select c.metric_id from metric c where c.metric_name = 'UnifiedBuild');
SELECT setMetric('ServerVersion', '4.7.0');