Tag v0.26.0 (ruff linting updates)

Tag v0.25.0 (unihan-etl v0.24.0)

Tag v0.24.0 (unihan-etl 0.23.0 via #351)

Tag v0.23.0 (unihan-etl 0.22.x via #348)

Internal improvement only, unihan-etl uses dataclass object for
configuration

Tag v0.22.1 (output fix for unihan-etl)

Tag v0.22.0 (unihan-etl internal updates)

Tag v0.21.0 (SQLAlchemy 2.0)

Tag v0.20.0 (strict typings, drop python 3.7)

See also:
- #343: Drop Python 3.7
- #324: Strict mypy typings

Tag v0.19.0 (dev dep updates)

Tag v0.18.3 (unihan-etl typing bump, flake8 fixes)