SDL3 port (#1756)

* update to SDL 3.2.0

* remove SDL wrap

* fix darwin and windows CI

* update build box, correct msys sdl3 dependency

* port leftovers from renderer backend to SDL3

* remove SDL main dep
the main implementation is now included in a header

* main.c: use SDL_main.h

This needs to be included to work.

* ci: use vcpkg and pkgconf to support SDL3 on MSVC

* ci: use 7z to create zip

* renwindow: create texture and surface suitable for the display

* system: remove trailing whitespace

* renderer: fix trailing whitespace

* system: fix checking the wrong argument

* system: port rmdir and stat to SDL3 API

* system: remove unneeded API level check

* system: fix wrong parameter index

* system: make set_window_hit_test and set_window_bordered accept a window

* docs/system: update docs

* system: restore some comments

* docs/system: add missing documentation for system.text_input

* system: use SDL_setenv_unsafe

* system: add back comment for setenv

* system,renderer: remove unnecessary SDL_ClearError calls

---------

Co-authored-by: takase1121 <20792268+takase1121@users.noreply.github.com>
(cherry picked from commit 2716f14b6903f055f6bdf010a7e4a3d040cf059d)

meson.build

@@ -43,7 +43,7 @@ conf_data.set('PROJECT_ASSEMBLY_VERSION', meson.project_version() + '.0')
 cc = meson.get_compiler('c')
 
 lite_includes = []
-lite_cargs = ['-DSDL_MAIN_HANDLED', '-DPCRE2_STATIC']
+lite_cargs = ['-DPCRE2_STATIC']
 # On macos we need to use the SDL renderer to support retina displays
 if get_option('renderer') or host_machine.system() == 'darwin'
     lite_cargs += '-DLITE_USE_SDL_RENDERER'