Update actions/checkout action to v4 #13

	name: Python package

	on: [ pull_request ]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ 3.7, 3.8 ]

	steps:
	- 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 flake8 pytest pytest-cov flask octoprint requests
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Test with pytest and pytest-cov
	run: \|
	pytest --cache-clear --verbose --cov=fdm_connector
	- name: Build coverage file
	run: \|
	pytest --cache-clear --cov=fdm_connector tests/ > pytest-coverage.txt
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics

	- name: Comment coverage
	uses: coroo/pytest-coverage-commentator@v1.0.2

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