v0.3.9

What's Changed

• update AtomsData by @superstar54 in https://github.com/superstar54/aiida-workgraph/pull/142
• speed up loading workgraph in web by @superstar54 in https://github.com/superstar54/aiida-workgraph/pull/144

Full Changelog: superstar54/aiida-workgraph@v0.3.8...v0.3.9