Update action, tag, and dependencies #22

	name: "test"
	on: push
	jobs:
	test:
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	python_version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
	defaults:
	run:
	shell: bash
	steps:
	- name: Check out repository
	uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python_version }}
	uses: actions/setup-python@v4
	id: setup-python-env
	with:
	python-version: ${{ matrix.python_version }}

	# try to load cached venv
	- name: Load cached venv
	id: cached-poetry-dependencies
	uses: actions/cache@v3
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ steps.setup-python-env.outputs.python-version }}-${{ hashFiles('poetry.lock') }}

	# install & configure poetry if cache does not exist
	- name: Install Poetry
	if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
	uses: snok/install-poetry@v1
	with:
	version: 1.7.1
	virtualenvs-create: true
	virtualenvs-in-project: true
	installer-parallel: true
	- name: Install dependencies
	if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
	run: poetry install --with=dev

	# run tests
	- name: Run pytests
	env:
	GITHUB_REPOSITORY: ${{ github.action_repository }}
	GITHUB_ACCESS_TOKEN: ${{ github.token }}
	run: .venv/bin/python -m pytest tests/ -m "library"

	- name: Check whether code formatting is correct
	run: \|
	.venv/bin/python -m yapf em27_metadata --recursive --quiet
	.venv/bin/python -m yapf tests --recursive --quiet

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