Update actions/checkout action to v4 #69

	name: build

	on: # cf. https://github.community/t/how-to-trigger-an-action-on-push-or-pull-request-but-not-both/16662
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 5
	matrix:
	python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
	steps:
	- name: Checkout 🛎️
	uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
	- name: Set up Python ${{ matrix.python-version }} 🔧
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies ⚙️
	run: \|
	python -m pip install --upgrade pip
	pip install --upgrade . -r dev-requirements.txt
	- name: Execute all pre-commit hooks on all files ☑
	run: pre-commit run --all-files
	- name: Running tests ☑
	run: pytest

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