cad/qcad: upgrade to v3.32.9.0

Note: flavors removed, because with Qt5 only the bundled legacy OpenNURBS is
supported. Only Qt6 seems active.

Remark: two new ports, cad/qtjsapi and cad/qcadjsapi are released separately,
but without them you get the error "No script handler found".

PR: 295682
Approved by: mr (maintainer)