document the renaming of topology aware annotation as of k8s 1.27

> Note:
> Prior to Kubernetes 1.27, this behavior was controlled using the service.kubernetes.io/topology-aware-hints > annotation.
> https://kubernetes.io/docs/concepts/services-networking/topology-aware-routing/#enabling-topology-aware-routing

Add notes in the [docs](https://github.com/search?q=repo%3Alinkerd%2Fwebsite+service.kubernetes.io%2Ftopology-aware-hints&type=code) about the naming for topology aware based on k8s version.

Start with the repository search for service.kubernetes.io/topology-aware-hints and inspect the documentation pages where the annotation is mentioned. Compare those notes with the linked Kubernetes topology-aware-routing documentation. Done means the docs explain the pre-1.27 annotation name and the naming used from Kubernetes 1.27 onward.

Written by the indexing model from the issue text.