New
* feat: support flink as backend (42) WuyueTW
Bug Fixes
* fix: fix get excel formula value (38) seek-ER
Other changes
* chore: support multiple catalogs (43) WuyueTW
* [pre-commit.ci] pre-commit autoupdate (40) pre-commit-ci
* ci: fix optional deps and add maxcompute backend and migrate to pytest (39) lust4life
**Full Changelog**: https://github.com/easysql/easy_sql/compare/v0.4.1...v0.5.0