* ci: upgrade GitHub Actions to support Node.js 24
- pnpm/action-setup: v4 → v5
- actions/upload-artifact: v4 → v6
- actions/download-artifact: v4 → v6
- sync.yaml: replace inactive aormsby/Fork-Sync-With-Upstream-action with gh repo sync
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* ci: replace softprops/action-gh-release with gh release CLI
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* fix(ci): use gh release upload instead of create for existing releases
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>