add: github action for testing with python 3.10 & 3.11 #17

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: Python package

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	build:

	runs-on: ubuntu-latest
	env:
	TERM: xterm
	strategy:
	fail-fast: false
	matrix:
	python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install poetry
	poetry install
	- name: Test with pytest
	run: \|
	VERSION=${{matrix.python-version}}
	FILE=_py"${VERSION//./_}".py
	poetry run pytest --doctest-modules --cov=src --cov-report=term-missing src/asttrs/$FILE tests

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