Use the pod annotation for broker id

[joejulian]

Version & Environment

operator controlled kubernetes
Redpanda <= v22.3.4

What went wrong?

Broker ids will diverge from statefulset pod indexes but some operator functions still use the pod index as the broker id.

What should have happened instead?

Use the pod annotation https://github.com/redpanda-data/redpanda/blob/dev/src/go/k8s/controllers/redpanda/cluster_controller.go#L50

How to reproduce the issue?

N/A

Additional information

N/A