toml: move from toml to tomllib + tomli_w #588

	name: tests
	on: [push, pull_request, workflow_dispatch]
	jobs:
	test:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Setup Node
	uses: actions/setup-node@v3
	with:
	node-version: 16
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r tests-requirements.txt
	pip install -r requirements.txt
	npm install -g remark-cli remark-validate-links
	sudo apt-get install shellcheck
	- name: Run with 1 worker
	run: \|
	./tests.sh
	env:
	DOTDROP_WORKERS: 1
	- name: Run with 4 workers
	run: \|
	./tests.sh
	env:
	DOTDROP_WORKERS: 4
	- name: Coveralls
	run: \|
	pip install coveralls
	coveralls --service=github
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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