v0.9.0

What's Changed

• chore(deps): update ruff requirement from <0.2,>=0.1.5 to >=0.1.5,<0.3 by @dependabot in #167
• Create LICENSE by @lukapeschke in #171
• chore(deps): bump calamine from 0.22.1 to 0.24.0 by @dependabot in #175
• feat(excelsheet): add support for multi-dtype columns by @lukapeschke in #164
• chore: v0.9.0 by @lukapeschke in #178

Full Changelog: v0.8.0...v0.9.0