Bump dawidd6/action-download-artifact from 20 to 21 (#451) #1459

	# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
	# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
	on:
	push:
	branches: [devel]
	pull_request:
	release:
	types: [published]
	workflow_dispatch:

	name: pkgdown

	jobs:
	pkgdown:
	runs-on: ubuntu-latest
	# Only restrict concurrency for non-PR jobs
	concurrency:
	group: pkgdown-${{ github.event_name != 'pull_request' \|\| github.run_id }}
	env:
	GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
	permissions:
	contents: write
	steps:
	- uses: actions/checkout@v6

	- name: Install Linux dependencies
	if: runner.os == 'Linux'
	run: \|
	sudo apt-get update
	sudo apt-get -y install libsz2

	- uses: r-lib/actions/setup-pandoc@v2

	- name: Setup Python
	uses: actions/setup-python@v6
	with:
	python-version: "3.x"

	- name: Setup R and Bioconductor
	uses: grimbough/bioc-actions/setup-bioc@v1
	with:
	bioc-version: devel

	- uses: r-lib/actions/setup-r-dependencies@v2
	with:
	extra-packages: local::.
	needs: website
	cache-version: 2

	- name: Configure python dependencies and reticulate
	run: \|
	pip install scanpy mudata
	echo "RETICULATE_PYTHON=$(which python3)" >> ~/.Renviron
	echo "Python configured for reticulate:" && Rscript -e 'reticulate::py_config()'

	- name: Build site
	run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
	shell: Rscript {0}

	- name: Deploy to GitHub pages 🚀
	if: github.event_name != 'pull_request'
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	folder: docs

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