Bump actions/upload-artifact from 3 to 4 (#577) #19

	name: Update gh-pages documentation

	on:
	workflow_dispatch:
	push:
	branches: [main]

	jobs:
	update-docs:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	cache: 'pip'
	cache-dependency-path: 'docs/requirements.txt'
	- run: \|
	python -m pip install -r docs/requirements.txt
	python -m pip install .
	- run: \|
	python -m sphinx -b html -d docs/build/doctrees docs/source docs/build/html
	- name: Check out gh-pages branch
	run: \|
	git fetch --depth=1 origin gh-pages
	git worktree add ../docs gh-pages
	- name: Update the docs on the gh-pages branch
	run: \|
	python docs/update_gh_pages.py docs/build/html ../docs
	- name: Configure Git
	run: \|
	git config user.name "Documentation Bot"
	git config user.email "[email protected]"
	- name: Commit the changes
	run: \|
	cd ../docs
	git add .
	# Only commit if there are changes
	git diff-index --quiet --cached HEAD \|\| git commit -m "Automated update of main branch documentation"
	- name: Push the changes upstream
	run: \|
	git push origin gh-pages

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