CA: Update Azure SDK to v2

[mboersma]

What type of PR is this?

/kind cleanup /area provider/azure

What this PR does / why we need it:

Updates the Azure cluster-autoscaler backend to use Azure SDK v2.

Which issue(s) this PR fixes:

Fixes #8145

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Update Azure SDK to v2

[mboersma]

/cc @jackfrancis

[mboersma]

/cc @nojnhuh

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jackfrancis, mboersma

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Needs approval from an approver in each of these files:

• ~~cluster-autoscaler/OWNERS~~ [jackfrancis]

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[jackfrancis]

/release-note-edit

Update Azure SDK to v2

[jackfrancis]

ping @tallaxes, if we want to get this included in 1.35

[k8s-ci-robot]

PR needs rebase.

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