Update: Debian base image, cookiecutter, pytest, black, mypy, and ruff #89

	name: "Continuous Integration"

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	test:
	runs-on: "ubuntu-latest"
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11"]
	steps:
	- uses: actions/checkout@v2

	- name: "Set up Python"
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: "Set up PDM"
	run: pip install --user pdm==2.6.1

	- name: "Test Cookiecutter"
	run: make test

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