Update release_snapshot.yml

[lightwalker-eth]

Goal: fix https://github.com/namehash/ensnode/actions/runs/20658081791/job/59314762426

[vercel]

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Project	Deployment	Review	Updated (UTC)
admin.ensnode.io	Ready	Preview, Comment	Jan 2, 2026 2:19pm
ensnode.io	Ready	Preview, Comment	Jan 2, 2026 2:19pm
ensrainbow.io	Ready	Preview, Comment	Jan 2, 2026 2:19pm

[changeset-bot]

⚠️ No Changeset found

Latest commit: b88d2dc

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[Copilot]

Pull request overview

This PR fixes a failing GitHub Actions workflow for snapshot releases by correcting the npm authentication environment variable from NPM_TOKEN to NODE_AUTH_TOKEN. The change addresses authentication failures when publishing npm packages via the changeset CLI.

Key changes:

• Updated the environment variable used for npm authentication in the snapshot release workflow from NPM_TOKEN to NODE_AUTH_TOKEN

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