try python 3.12, phase out 3.8 #379

	name: tests

	on:
	push:
	branches:
	- master
	paths-ignore:
	- '.gitignore'
	- '**.md'
	- '**.rst'
	pull_request:
	branches:
	- master
	paths-ignore:
	- '.gitignore'
	- '**.md'
	- '**.rst'

	jobs:
	build:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python_version: [
	3.9, # only lowest & highest version should be enough, :cross_fingers:
	# 3.10,
	# '3.11',
	'3.12'
	# pypy3 # didn't build on CI anymore, happy for help: https://github.com/gis-ops/routing-py/issues/60
	]
	steps:
	- uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python_version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python_version }}
	cache: pip

	- uses: actions/cache@v3
	with:
	path: ~/.cache/pre-commit
	key: pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}

	- name: Install dependencies
	run: \|
	pip install -r requirements_dev.txt

	- name: style & lint checks
	run: \|
	pre-commit run --all-files --color=always

	- name: pytest and coverage
	run: \|
	pip install -e .
	coverage run --source=routingpy --module pytest
	coverage lcov --include "routingpy/*"
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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