SDL-UWP 3.4.2

This is a release of SDL3 3.4.2 for UWP/WinRT platforms.

Built via cmake with:

cmake -S . -B build-uwp -G "Visual Studio 18 2026" -A x64 -DCMAKE_SYSTEM_NAME=WindowsStore -DCMAKE_SYSTEM_VERSION=10.0 -DSDL_SHARED=ON -DSDL_STATIC=OFF -DCMAKE_INSTALL_PREFIX=install-uwp

cmake --build build-uwp --config Release --parallel

Install:

cmake --install build-uwp --config Release