release: v0.2.3

[boscorat]

Summary

Related issue

Checklist

Before requesting a review, please ensure all of the following pass:

uv run ruff check .           # lint
uv run ruff format --check .  # format
uv run pyrefly check          # type check
uv run pytest tests/ -v       # tests

• Lint passes (ruff check)
• Format passes (ruff format --check)
• Type check passes (pyrefly check)
• Tests pass (pytest)
• Commit messages follow Conventional Commits