chore: replace ts-node with tsx in publish-preview workflow

[cryptodev-2s]

Explanation

What is the current state of things and why does it need to change?

The publish-preview.yml GitHub Actions workflow is still using ts-node to execute the generate-preview-build-message.ts script. However, the project has recently migrated from ts-node to tsx PR

References

• N/A

Checklist

• I've updated the test suite for new or updated code as appropriate
  • No test changes needed for this workflow update
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
  • No documentation changes needed
• I've communicated my changes to consumers by updating changelogs for packages I've changed, highlighting breaking changes as necessary
  • No changelog needed as this is an internal workflow change
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes
  • No breaking changes - internal workflow update only

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Note

Switches the preview build message step in .github/workflows/publish-preview.yml from yarn ts-node to yarn tsx.

^{Written by Cursor Bugbot for commit 3f0fd29. This will update automatically on new commits. Configure here.}

[mcmire]

LGTM!