Automatic merge from submit-queue (batch tested with PRs 46801, 45184, 45930, 46192, 45563)

Tweak client-gen to support metrics API

This PR adds support to client-gen for readonly APIs as well as for customizing the resource name used for a given type.

This is required to support the clients generated for `k8s.io/metrics/pkg/apis/metrics`.

cc @caesarxuchao 

Currently based on #45180

**Release note**:
```release-note
NONE
```