ci: fixes #43

	---
	name: Tests

	on: [push, pull_request]

	jobs:
	pytest:
	name: Python ${{ matrix.python }} on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}-latest
	strategy:
	matrix:
	os: [ubuntu, windows, macos]
	python: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
	steps:
	- name: Check out code from GitHub
	uses: actions/checkout@v2.3.4
	- name: Set up Python ${{ matrix.python }}
	id: python
	uses: actions/setup-python@v2.2.2
	with:
	python-version: ${{ matrix.python }}
	- name: Install workflow dependencies
	run: \|
	python3 -m pip install -r .github/workflows/requirements.txt
	poetry config virtualenvs.create true
	poetry config virtualenvs.in-project true
	- name: Install dependencies
	run: poetry install --no-interaction
	- name: Check formatting
	run: poetry run black --check hpke tests
	- name: Check types
	run: poetry run mypy hpke
	- name: Run tests and ensure 100% line coverage
	run: poetry run pytest --cov-fail-under=100 --cov hpke tests
	- name: Upload coverage artifact
	uses: actions/upload-artifact@v4
	with:
	name: coverage-${{ matrix.python }}-${{ matrix.os }}
	path: .coverage

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