Cihai

_Maintenance only, no bug fixes, or new features_

Internal improvements

- Move formatting, import sorting, and linting to [ruff].

This rust-based checker has dramatically improved performance. Linting and
formatting can be done almost instantly.

This change replaces isort, flake8 and flake8 plugins.

- poetry: 1.4.0 -> 1.5.0

See also: https://github.com/python-poetry/poetry/releases/tag/1.5.0

- unihan-etl: 0.18.2 -> 0.19.1: Dev dependency updates

[ruff]: https://ruff.rs

_Maintenance only release, no bug fixes, changes, or features._

Packaging

- Bump unihan-etl from 0.18.1 -> 0.18.2

Typing update for `merge_dict`

Development

- Chore: flake8 fixes

**Maintenance only release, no bug fixes, or new features**

Packaging

- Bump unihan-etl from 0.18.0 -> 0.18.1 (just packaging updates)
- Pin `importlib_metadata` to `<5` while internal dependencies are figured out

Packaging

- Add PyYAML dependency

Breaking changes

- Remove kaptan dependency (334)
- Remove support for `.ini` configurations (334)

Infrastructure

- CI speedups (333)

- Split out release to separate job so the PyPI Upload docker image isn't pulled on normal runs
- Clean up CodeQL

- poetry: Bump 1.1.x to 1.2.x