Update dependency docker/spdystream to moby/spdystream
Update dependency docker/spdystream to moby/spdystream

docker/spdystream has been moved to moby/spdystream.

Signed-off-by: Aditi Sharma <adi.sky17@gmail.com>

Kubernetes-commit: c5c938a056abdf9961962554013632d6cfd3bbd4

kubernetes/code-generator,kubernetes/code-generator