[BRLTTY] Support multiple Python versions on Windows

[Samuel Thibault]

Hello,

Leonard de Ruijter, le lun. 09 oct. 2023 19:50:39 +0200, a ecrit:
> Unfortunately, I can't get the thing to load on Python 3.11-32.
> 
> I'm getting the error: `ImportError: DLL load failed while importing brlapi:
> The specified module could not be found.`

Probably you need to add to your PATH variable the path to the new
brlapi dll? (or put the new dll alongside your own .exe file)

Samuel