Update pnpm setup action for Node 24 (#61064)

## Summary

- Update `pnpm/action-setup` from v4.0.0 to v4.4.0
- Use the action release backed by Node 24 while continuing to install
pnpm 9
- Regenerate the affected workflows

## Testing

- `cargo xtask workflows`
- `git diff --check`

Release Notes:

- N/A
af01c321faNathan Sobo committed on 7/15/2026, 10:00:34 PM· committed by GitHubparent1e22d1a
4 files changedLine totals unavailable