Fix tests for Sphinx 8.1, remove Python 3.9 support #387

	# https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Python tests

	on:
	push:
	branches: [main]
	pull_request:
	branches: ["*"]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	PIP_ROOT_USER_ACTION: ignore
	COLUMNS: "200"
	FORCE_COLOR: "1"

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12"]
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	filter: blob:none
	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: pip
	- name: dependencies
	run: \|
	pip install --upgrade pip wheel
	pip install .[test,typehints,myst] coverage-rich 'anyconfig[toml] >=0.14'
	- name: tests
	run: coverage run -m pytest --verbose --color=yes
	- name: show coverage
	run: coverage-rich report
	- name: upload coverage
	uses: codecov/codecov-action@v4
	with:
	fail_ci_if_error: true
	token: c66a2830-d3c7-4ae7-a230-21aef89dcf65

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