Bump actions/deploy-pages from 2 to 4 #61

	name: Qujax Docs

	on:
	pull_request:
	branches:
	- main
	- develop
	push:
	branches:
	- main

	jobs:
	build_docs:
	name: Build and publish docs
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: '0'
	- name: Set up Python 3.9
	uses: actions/setup-python@v4
	with:
	python-version: '3.9'
	- name: Upgrade pip and install wheel
	run: pip install --upgrade pip wheel
	- name: Install qujax
	run: \|
	pip install .
	- name: Install docs dependencies
	run: \|
	pip install -r .github/workflows/docs/requirements.txt
	- name: Build docs
	timeout-minutes: 20
	run: \|
	cd .github/workflows/docs
	mkdir qujax
	cd qujax
	sphinx-build ../../../../docs . -a
	- name: Upload docs as artefact
	uses: actions/upload-pages-artifact@v2
	with:
	path: .github/workflows/docs/qujax

	publish_docs:
	name: Publish docs
	if: github.event_name == 'push' && contains(github.ref_name, 'main')
	needs: build_docs
	runs-on: ubuntu-22.04
	permissions:
	pages: write
	id-token: write
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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