ci: push zfs-localpv helm chart as OCI

[tiagolobocastro]

Pull Request template

Why is this PR required? What issue does it fix?:

Push helm chart as OCI

What this PR does?:

Does this PR require any upgrade changes?:

If the changes in this PR are manually verified, list down the scenarios covered::

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Mention if this PR is part of any design or a continuation of previous PRs

Checklist:

• Fixes #
• PR Title follows the convention of <type>(<scope>): <subject>
• Has the change log section been updated?
• Commit has unit tests
• Commit has integration tests
• (Optional) Are upgrade changes included in this PR? If not, mention the issue/PR to track:
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