Fix publish script on changesets release action

[yorhodes]

Description

Fixes yarn command used in release script of changesets action https://github.com/hyperlane-xyz/hyperlane-monorepo/actions/runs/6959943453/job/18938332513

[changeset-bot]

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Latest commit: 9e5c675

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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