Bump actions/checkout from 3 to 4 (#80) #8

	name: Publish sdist tarball to PyPi

	on:
	push:
	tags:
	- '[0-9]+.[0-9]+.[0-9]+'

	jobs:
	build-n-publish:
	name: Build and publish on PyPI
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 3.8
	uses: actions/setup-python@v4
	with:
	python-version: 3.8
	- name: Build a wheel and a source tarball
	run: \|
	pip install setuptools>=42 build setuptools_scm[toml]>=3.4
	python -m build -o dist
	- name: Publish distribution package to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	password: ${{ secrets.PYPI_API_TOKEN }}

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