option to set image annotations

[seankhliao]

Currently we can set image labels with --image-label, but when working with multi platform images, there's no canonical image to look at for metadata.
Registries like github's ghcr instead look at the annotations on the image/index.
I'd like a way to set those.

https://kubernetes.slack.com/archives/C01T7DTP65S/p1687637484368199

[github-actions]

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