v5.1.0

What's Changed

• ci: update pytest workflow schedule and add test for CLI by @dermatologist in #214
• build(deps): bump actions/checkout from 4 to 5 by @dependabot[bot] in #215
• fix: enhance subject reference handling in check_subject_reference me… by @dermatologist in #216
• Feature/uv 2 by @dermatologist in #217
• fix: update DataFrame column handling to use comma-separated values f… by @dermatologist in #218

Full Changelog: 5.0.0...v5.1.0