chore: update max data disk num for v6 vm sku

[andyzhangx]

What type of PR is this? /kind feature

What this PR does / why we need it: chore: update max data disk num for v6 vm sku

Which issue(s) this PR fixes:

Fixes #

Requirements:

• [ ] uses conventional commit messages
• [ ] includes documentation
• [ ] adds unit tests
• [ ] tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/kubernetes-sigs/azuredisk-csi-driver/blob/master/OWNERS)~~ [andyzhangx] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[k8s-ci-robot]

@andyzhangx: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-azuredisk-csi-driver-external-e2e-single-az	94bdfa766968c73359ee83ed0de6a9fd01c7242e	link	true	/test pull-azuredisk-csi-driver-external-e2e-single-az

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository. I understand the commands that are listed [here](https://go.k8s.io/bot-commands).

[andyzhangx]

/cherrypick release-1.30

[andyzhangx]

/cherrypick release-1.29

[andyzhangx]

/cherrypick release-1.28

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request created: #2546

In response to [this](https://github.com/kubernetes-sigs/azuredisk-csi-driver/pull/2545#issuecomment-2405075623): >/cherrypick release-1.30 Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request created: #2547

In response to [this](https://github.com/kubernetes-sigs/azuredisk-csi-driver/pull/2545#issuecomment-2405075816): >/cherrypick release-1.29 Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: new pull request created: #2548

In response to [this](https://github.com/kubernetes-sigs/azuredisk-csi-driver/pull/2545#issuecomment-2405075964): >/cherrypick release-1.28 Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.