Update actions/checkout action to v4 #10

	name: Python Package Test

	on: [push]

	jobs:
	build-linux:
	runs-on: ubuntu-latest
	strategy:
	max-parallel: 5

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Install pypa/build
	run: >-
	python -m
	pip install
	build
	--user

	- name: Build a binary wheel and a source tarball
	run: >-
	python -m
	build
	--sdist
	--wheel
	--outdir dist/
	.

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