Fix support for older python versions #59

	name: Tests

	on:
	push:
	pull_request:

	jobs:
	test:
	strategy:
	fail-fast: false
	matrix:
	python-version: [ '3.8', '3.9', '3.10', '3.11', '3.12' ]

	runs-on: ubuntu-latest
	container:
	image: "docker.io/library/python:${{ matrix.python-version }}-bookworm"
	# cgroupns needed to address the following error:
	# write /sys/fs/cgroup/cgroup.subtree_control: operation not supported
	options: --privileged --cgroupns=host
	steps:
	- uses: actions/checkout@v4
	- name: Install dependencies
	run: \|
	set -e
	apt update && apt install -y podman
	python -m pip install --upgrade pip
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	if [ -f test-requirements.txt ]; then pip install -r test-requirements.txt; fi
	- name: Run tests in tests/
	run: \|
	python -m unittest -v tests/*.py
	- name: Run tests in pytests/
	run: \|
	coverage run --source podman_compose -m unittest pytests/*.py
	- name: Report coverage
	run: \|
	coverage combine
	coverage report

Provide feedback