Update actions/download-artifact to v4 in deploy.yml. #121

	name: Build package

	on:
	push:
	pull_request:
	release:
	types:
	- published
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	# Always build & lint package.
	build-package:
	name: Build & verify package
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- uses: hynek/build-and-inspect-python-package@v2

	# Publish to Test PyPI on every commit on main.
	release-test-pypi:
	name: Publish in-dev package to test.pypi.org
	if: \|
	github.repository_owner == 'python'
	&& github.event_name == 'push'
	&& github.ref == 'refs/heads/main'
	runs-on: ubuntu-latest
	needs: build-package

	permissions:
	id-token: write

	steps:
	- name: Download packages built by build-and-inspect-python-package
	uses: actions/download-artifact@v4
	with:
	name: Packages
	path: dist

	- name: Publish to Test PyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	repository-url: https://test.pypi.org/legacy/

	# Publish to PyPI on GitHub Releases.
	release-pypi:
	name: Publish to PyPI
	# Only run for published releases.
	if: \|
	github.repository_owner == 'python'
	&& github.event.action == 'published'
	runs-on: ubuntu-latest
	needs: build-package

	permissions:
	id-token: write

	steps:
	- name: Download packages built by build-and-inspect-python-package
	uses: actions/download-artifact@v4
	with:
	name: Packages
	path: dist

	- name: Publish to PyPI
	uses: pypa/gh-action-pypi-publish@release/v1

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