Update myst-parser from 2.0.0 to 4.0.0 #284

	name: Test
	on: [push]
	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.7.x, 3.8.x, 3.9.x, 3.10.x, 3.11.x]
	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 flake8 pytest pytest-cov pytest-console-scripts setuptools-scm
	pip install -e .
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 -o cc-test-reporter
	chmod +x cc-test-reporter
	./cc-test-reporter before-build
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings.
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=100 --statistics
	- name: Test with pytest
	run: \|
	pytest --cov=. --cov-report xml --cov-report term
	- name: Report coverage
	if: matrix.python-version == '3.9.x'
	env:
	CC_TEST_REPORTER_ID: ${{ secrets.cc_test_reporter_id }}
	run: \|
	./cc-test-reporter after-build --exit-code $?

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