emulators/wine-devel: Update to Wine 7.18

This includes the following changes:

• Character tables updated to Unicode 15.0.0.
• Async reader fixes in GStreamer support.
• Various bug fixes.

(The Staging patchset is broken on FreeBSD 12.x with this snapshot;
simply mark the port as BROKEN in that case.)

Co-authored-by: Damjan Jovanovic <damjan.jov@gmail.com> (maintainer)