v0.4

What's Changed

• Add concurrency field for exclusive execution by @takegue in #25
• Reporting error or warnings on Pull Request by @takegue in #27
• Reduction temporary table lineage by @takegue in #29
• Avoid increasing record by cyclic lineage by @takegue in #32
• Update metadata files by CI by @github-actions in #30
• Add unittest workflow by @takegue in #34
• Fix detect_staleness by @takegue in #38

Full Changelog: v0.3...v0.4