Switched from flake8 to ruff as linter #74

	name: ci

	on:
	push:
	pull_request:

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-22.04
	name: "python ${{ matrix.python-version }}"
	strategy:
	matrix:
	python-version: [pypy-3.9, 3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
	steps:
	- uses: actions/checkout@v3
	- name: Set up python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt -y install libzbar0
	pip install -r tests/requirements.txt
	pip install ruff
	pip install mypy
	- name: Run tests
	run: \|
	pytest
	- name: Run lint tests
	if: ${{ matrix.python-version == '3.12' }}
	run: \|
	ruff .
	mypy segno

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