Removed the SDL_Version structure, moved SDL version to SDL.h

Inspired by https://github.com/libsdl-org/SDL/issues/9788

.wikiheaders-options

@@ -5,10 +5,10 @@ wikisubdir =
 readmesubdir = docs
 apiprefixregex = (SDL_|SDLK_)
 mainincludefname = SDL3/SDL.h
-versionfname = include/SDL3/SDL_version.h
+versionfname = include/SDL3/SDL.h
 versionmajorregex = \A\#define\s+SDL_MAJOR_VERSION\s+(\d+)\Z
 versionminorregex = \A\#define\s+SDL_MINOR_VERSION\s+(\d+)\Z
-versionpatchregex = \A\#define\s+SDL_PATCHLEVEL\s+(\d+)\Z
+versionmicroregex = \A\#define\s+SDL_MICRO_VERSION\s+(\d+)\Z
 selectheaderregex = \ASDL.*?\.h\Z
 projecturl = https://libsdl.org/
 wikiurl = https://wiki.libsdl.org