MSVC 2019/2010 Additions
- windows-cmake-msvc19.yml: Manually set architecture, add 32bit target
- windows-x64-msvc19-msys2.yml: Manually set architecture
- Add windows-i686-msvc19-msys2.yml
- Add windows-i686-msvc10-msys2.yml/windows-x64-msvc10-msys2.yml
- Update msvc tags to utilise new Windows 10 VM