It was previously missed, and thus qdoc wasn't built for the
windows-11_23H2-llvm Packaging configuration.
Amends 9975595a5e
Pick-to: 6.7 6.8
Fixes: QTBUG-121548
Task-number: QTBUG-111580
Change-Id: I1142b593f36c8366ceaeac91eba81e16f1a2557d
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>