Fix github action's deprecated warning. #2

	name: Lint and test.

	on: [push]

	jobs:
	linting:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: "3.11"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip poetry
	poetry install
	- name: Lint
	run: \|
	poetry run pre-commit run --all-files

	testing:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip poetry
	poetry install
	- name: Test
	run: poetry run pytest

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