CPack: Expand mark_as_advanced arguments to one-per-line

This will allow new values to be added without editing existing lines.
CPack: Sort packaging options lexicographically

This will allow new options to be added more cleanly.
Merge topic 'cpack-options-sort' into next

58f3d96d CPack: Sort packaging options lexicographically
efb45007 CPack: Expand mark_as_advanced arguments to one-per-line