kind: manage k8s API port
Specify the container and the actual port so kind doesn't randomize them. The result is that docker/podman redirects 0.0.0.0:6443->6443/tcp
This allow to contact the k8s API using :6443 regardless of if requesting the connection inside kubernetes or outside.
Bug: T326789 Signed-off-by: Arturo Borrero Gonzalez aborrero@wikimedia.org