Update networking.md
Update networking.md

Update to change feature name and link of <inter-node traffic compression> to <Intra-cluster Compression>, link updated to: https://docs.vmware.com/en/VMware-Tanzu-RabbitMQ-for-Kubernetes/1.3/tanzu-rmq/GUID-clustering-compression-rabbitmq.html
FYI @michaelklishin
rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website,rabbitmq/rabbitmq-website