feat: add reusable workflow `node-ci.yml`

ci: update poetry to v2

fix: remove `--no-root` from poetry install command for the `pytest` …

…task

ci!: add ruff jobs

- Add `ruff-lint` and `ruff-format` jobs.
- Remove `pylint`/`flake8` jobs.
- Install only required dependency groups.

ci: update actions

ci!: don't use tox

Tox doesn't provide much benefit in CI since Python versions are selected through a matrix. Tox remains useful for local development.

feat: remove test report comment step

Doesn't work well with matrices.

feat: upload code coverage report artifact (#5)

chore: update to irongut/[email protected]

Was v1.2.0.

Merge branch 'feature/poetry'