CI: Re-enable VS2019 build

Now that we have a more powerful runner and a more stable Docker
configuration, try re-enabling the Windows build.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6446>
1 file changed