Drop testing with Python 2.7, add 3.12 #19

	name: build

	on: [push, pull_request]

	jobs:
	build:

	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	pip install pytest flake8 pytest-cov
	- name: Test
	run: \|
	py.test --cov=. --cov-branch --cov-report=xml -v .
	flake8 --ignore=E402,W503 --exclude python_tools/reindent.py
	- uses: codecov/codecov-action@v1
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

Provide feedback