cad/pythonocc-core: fix build with py-numpy-stl 4.0.0

Other modifications:
-added PORTREVISION to 1
-adapted package name "numpy_stl"
-added python flavors
-disable PORTSCOUT (see also https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297592)
-added pkg-message (install)
-added missing patches from 1 upstream PR:
https://github.com/tpaviot/pythonocc-core/pull/1493/changes/eb52a64e7d82db2ea195b7842c4e5a76cac3c663
(Fix invalid OCCT 8.0.0 .pyi type stubs so mypy passes)

PR: 298034