[ISSUE #235]Add podAnnotations field to CRDs and types for Broker, Controller, and NameService

[drivebyer]

What is the purpose of the change

This PR introduces a new field, podAnnotations, to the CRDs and corresponding types for Broker, Controller, and NameService. This allows users to specify annotations for the pods created by these resources, enhancing customization and configuration options for deployments.

Brief changelog

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Verifying this change

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[caigy]

LGTM