WIP: Expose AKS preview features

[willie-yao]

What type of PR is this?
/kind feature

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #2625

Special notes for your reviewer:

• cherry-pick candidate

TODOs:

• squashed commits
• includes documentation
• adds unit tests

Release note:

Expose AKS preview features

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[dtzar]

@nojnhuh @willie-yao - Think we could get our ASO dep up to the 2.6.0 and also bump the version of the preview to the latest there?
https://azure.github.io/azure-service-operator/reference/containerservice/#next-release

Latest preview in 2.6.0 API is 2023-11-02-preview

It feels a bit odd/wrong that the preview API listed here is actually older than the stable one, but I realize this is the best of what you can do considering we're on 2.5.0 dep of ASO.
asocontainerservicev1preview "github.com/Azure/azure-service-operator/v2/api/containerservice/v1api20230202preview"
asocontainerservicev1 "github.com/Azure/azure-service-operator/v2/api/containerservice/v1api20231001

[nojnhuh]

@dtzar #4603 (comment)

[willie-yao]

/close

[k8s-ci-robot]

@willie-yao: Closed this PR.

In response to this:

/close

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[willie-yao]

Closed in favor of #4617 for better approach without modifying too much logic in aso.go