emulators/wine-devel: Update to Wine 8.21

This includes the following changes:

• High-DPI scaling and initial Vulkan support in the Wayland driver (which we don't use yet, though).
• Updates to the locale database.
• Various bug fixes.

Revert

• Add ${STRIP_CMD} to GNU configure environment variable ac_cv_prog_STRIP

from commit 132921c8f8. [1]

PR: 274953 [1]
Discussed with: Alastair Hogge <agh@riseup.net> [1]