Allow setting runtime options when using WithRuntime()

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>

cmd/ctr/run_windows.go

@@ -111,7 +111,7 @@ func newContainer(ctx gocontext.Context, client *containerd.Client, context *cli
 	return client.NewContainer(ctx, id,
 		containerd.WithNewSpec(opts...),
 		containerd.WithContainerLabels(labels),
-		containerd.WithRuntime(context.String("runtime")),
+		containerd.WithRuntime(context.String("runtime"), nil),
 		// TODO(mlaventure): containerd.WithImage(image),
 	)
 }