Actions maintenance, add Py3.13 #319

	name: Build and publish

	# Run on PR requests. And on master itself.
	on:
	push:
	branches:
	- main # just build the sdist skip release
	tags:
	- "*"
	pull_request: # also build on PRs touching some files
	paths:
	- ".github/workflows/release.yml"
	- "MANIFEST.in"
	- "pyproject.toml"

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest

	steps:
	- name: Checkout source
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.12"

	- name: Build a source tarball
	run: \|
	python -m pip install build
	python -m build

	- uses: actions/upload-artifact@v3
	with:
	path: ./dist/*
	retention-days: 5

	publish:
	name: Publish on GitHub and PyPI
	needs: [build]
	runs-on: ubuntu-latest
	# release on every tag
	if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/')
	steps:
	- uses: actions/download-artifact@v4
	with:
	name: artifact
	path: dist

	- name: Upload Github release
	id: upload-release-asset
	uses: softprops/action-gh-release@v1

	- name: Upload Release Assets to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	password: ${{ secrets.PYPI_UPLOAD_TOKEN }}

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