chore: update GitHub Actions Node and pnpm setup

[coffeexcoin]

Summary

• update \ to \
• update \ to \
• bump workflow Node runtime from 22 to 24 across CI, release PR, and publish

Testing

• not run locally

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Project	Deployment	Actions	Updated (UTC)
mpp-abstract-mpp-demo	Ready	Preview, Comment	Mar 26, 2026 1:23am

[cursor]

PR Summary

Low Risk
Low risk: workflow-only changes that update CI/release Node runtime and pin action versions; primary risk is CI/publish failures if Node 24 or the new action versions behave differently.

Overview
Updates GitHub Actions workflows to run on Node.js 24 (from 22) across CI, release PR creation, and npm publish.

Pins pnpm/action-setup to v4.2.0 and actions/setup-node to v6.1.0 for more deterministic workflow runs, and adds an (empty) changeset file.

^{Written by Cursor Bugbot for commit f127a0b. This will update automatically on new commits. Configure here.}

[changeset-bot]

🦋 Changeset detected

Latest commit: f127a0b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

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