Merge pull request #75 from jarondl/pypi #4

	name: Build, and perhaps publish to PyPI

	on: push

	jobs:
	build-and-publish:
	name: Build and optionally publish
	runs-on: ubuntu-latest
	environment:
	name: pypi
	url: https://pypi.org/p/pygtfs
	permissions:
	id-token: write
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.x"
	- name: Install pypa/build
	run: >-
	python3 -m
	pip install
	build
	--user
	- name: Build a binary wheel and a source tarball
	run: >-
	python3 -m
	build
	--sdist
	--wheel
	--outdir dist/
	.
	- name: Publish tagged versions to PyPI
	if: startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@release/v1

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