Update GitHub Action actions/setup-node to v6.4.0

[hash-worker]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	minor	v6.3.0 → v6.4.0

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Release Notes

actions/setup-node (actions/setup-node)

v6.4.0

Compare Source

What's Changed

Dependency updates:

• Upgrade @​actions dependencies by @​Copilot in #​1525
• Update Node.js versions in versions.yml and bump package to v6.4.0 by @​priya-kinthali in #​1533

New Contributors

• @​Copilot made their first contribution in #​1525

Full Changelog: actions/setup-node@v6...v6.4.0

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Configuration

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This PR has been generated by Renovate Bot.

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PR Summary

Low Risk
Low risk: only updates the pinned actions/setup-node GitHub Action used by the Renovate housekeeping workflow; behavior changes are limited to upstream action internals.

Overview
Updates the Renovate housekeeping GitHub Actions workflow to use actions/setup-node v6.4.0 (from v6.3.0) by changing the pinned commit SHA for the Setup Node.js step.

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🤖 Augment PR Summary

Summary: Updates the pinned actions/setup-node GitHub Action used by the dependency housekeeping workflow to the latest minor release.

Changes: Bumps actions/setup-node from v6.3.0 to v6.4.0 by updating the pinned commit SHA (keeping SHA pinning intact).

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