Bump actions/checkout from 3 to 4 #42

	name: Tests

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

	jobs:
	black-format:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v4
	with:
	python-version: "3.11"
	- uses: psf/black@stable

	ruff:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.11"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install ruff
	- name: Run Ruff
	run: ruff .

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