v2.2.1
chore: bump version to 2.2.1, upgrade action-gh-release to v3 (Node 24) - Bump workspace version 2.2.0 → 2.2.1 in Cargo.toml and pyproject.toml - Upgrade softprops/action-gh-release@v2 → @v3 in release.yml to fix the Node.js 20 deprecation warning (Node 24 required by GitHub from Jun 2 2026) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>