GHA disable windows for now
GHA disable windows for now

Need to make the make target smarter to set windows paths;

    docker: Error response from daemon: invalid volume specification: '/d/a/go-plugins-helpers/go-plugins-helpers:/go/src/github.com/docker/go-plugins-helpers'.

But probably other changes are needed, so leaving that for later
(Travis also wasn't running on Windows)

Signed-off-by: Sebastiaan van Stijn <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@gone.nl>

docker/go-plugins-helpers