Add support for additional rule in role/rolebindings

[ffais]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Add support for additional rule in role/clusterrole, useful when using ClusterAPI + Cluster AutoScaler, and would like to use the opt-in support for scaling from zero provided by the different providers: AWS / Hetzner / GCP / Azure.

Fixes #7680

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

• Scale from zero

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[k8s-ci-robot]

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[chansuke]

looks good to me

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: chansuke, ffais
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