* [sdl2-mixer] Bump to version 2.6.3
* [sdl2-mixer] Fix findFluidSynth on windows-static.
* [sdl2-mixer] vcpkg_minimum_required is not needed
* [sdl2-mixer] Control SDL2MIXER_MOD with libmodplug
If SDL2MIXER_MOD is left on when no backend is availble, CMake issues a
warning.
* [sdl2-mixer] Turn off SDL2MIXER_DEPS_SHARED
Similar issue to #28137. SDL2MIXER_OPUS_SHARED and
SDL2MIXER_VORBIS_VORBISFILE_SHARED need to be manually
turned off as they are unconditionally turned on.
* [sdl2-mixer] Set the correct vorbis backend.
Even when SDL2MIXER_VORBIS_VORBISFILE was set to ON, stb_vorbis would be
used as the default backend.
* [sdl2-mixer] Use vcpkg_install_copyright
* [sdl2-mixer] Ensure flac and mpg123 are selected.
Turn off header-only libraries when the features are selected.
* [sdl2-mixer] Patch missing call to find_dependency
This is fixed upstream but has not been included in the 2.6.x branch.
* [sdl2-mixer] Fix dependency linking.
- The FLAC target is an upstream patch.
- VCPKG's opusfile port is static-only, meaning Opus and Ogg needs to be
linked explicitly.
* [sdl2-mixer] Update baseline.
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Co-authored-by: MonicaLiu <v-liumonica@microsoft.com>
