If you literally want exactly +6 months (including the hh:mm:ss) then ...
select DATEADD(mm, 6, GETUTCDATE())
Otherwise (if you just want the mm/dd/yy) then ..
select DATEADD(mm, 6, DATEADD(dd, DATEDIFF(dd, 0, GETUTCDATE()), 0))
└> bt
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