Modernize and simplify the "publish release" GitHub action #23

	name: Create library release archives, create a GH release and publish PyPI wheel and sdist on tag in main branch

	# This is executed automatically on a tag in the main branch

	# Summary of the steps:
	# - build wheels and sdist
	# - upload wheels and sdist to PyPI
	# - create gh-release and upload wheels and dists there
	# TODO: smoke test wheels and sdist

	# WARNING: this is designed only for packages building as pure Python wheels

	on:
	workflow_dispatch:
	push:
	tags:
	- "v..*"

	jobs:
	build-and-publish:
	name: Build and publish library to PyPI
	runs-on: ubuntu-22.04

	steps:
	- uses: actions/checkout@v4

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

	- 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/ .

	- name: Upload built archives
	uses: actions/upload-artifact@v4
	with:
	name: pypi_archives
	path: dist/*

	- name: Publish to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	password: ${{ secrets.PYPI_API_TOKEN }}

	- name: Create a GitHub release entry
	uses: softprops/action-gh-release@v2
	with:
	generate_release_notes: true
	draft: false
	files: dist/*

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