Use Windows 2019 to build Swiftshader in CI
Use Windows 2019 to build Swiftshader in CI

Signed-off-by: Kévin Petit <7be082ac62c87f3fb90b426eef925ff08291362b@free.fr>

kpet/clvk,kpet/clvk,kpet/clvk,kpet/clvk