Use v1helper.GetPersistentVolumeClaimClass for compatibility

[mrkm4ntr]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/kind api-change

/kind bug

/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:
To get class name of PVC, we should use beta annotation first until it has been obsoleted at v2.
#51440 (comment)

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

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

[k8s-ci-robot]

Hi @mrkm4ntr. Thanks for your PR.

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[msau42]

/ok-to-test

[msau42]

/lgtm
/approve

[msau42]

/priority important-soon

[msau42]

/assign @ravisantoshgudimetla

[mrkm4ntr]

@ravisantoshgudimetla Could you review this?

[ravisantoshgudimetla]

/lgtm
/approve

Thanks for the cleanup @mrkm4ntr

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: mrkm4ntr, msau42, ravisantoshgudimetla

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• pkg/controller/volume/scheduling/OWNERS [msau42]
• pkg/scheduler/OWNERS [ravisantoshgudimetla]

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[mrkm4ntr]

/retest