Bump actions/checkout from 3 to 4 #184

	# This workflow will upload a Python Package using Twine when a release is created
	# For more information see: https://help.github.com/en/actions/language-and-framework-guides/using-python-with-github-actions#publishing-to-package-registries

	name: Upload Python Package

	on: [pull_request]

	jobs:
	deploy:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	with:
	# to guarantee proper versioneer pickup of last tag
	fetch-depth: 0
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.x
	- name: Build dist artefacts
	run: \|
	python -m pip install --upgrade pip
	pip install setuptools wheel build
	python -m build --sdist --wheel --outdir dist/
	- name: Publish distribution 📦 to Test PyPI
	uses: pypa/[email protected]
	with:
	user: __token__
	password: ${{ secrets.TEST_PYPI_TOKEN }}
	repository_url: https://test.pypi.org/legacy/

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