Switch from the abandoned `docopt` to the maintained `docopt-ng` #470

	name: CI

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox tox-gh-actions coveralls
	pip install -r requirements-test.txt
	- name: Test with tox
	run: \|
	tox
	- name: Upload coverage data to coveralls.io
	run: coveralls --service=github
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	COVERALLS_FLAG_NAME: ${{ matrix.python-version }}
	COVERALLS_PARALLEL: true

	coveralls:
	name: Indicate completion to coveralls.io
	needs: build
	runs-on: ubuntu-latest
	container: python:3-slim
	steps:
	- name: Finished
	run: \|
	pip3 install --upgrade coveralls
	coveralls --service=github --finish
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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