Bump docker/build-push-action from 3 to 5 #50

	name: Docs CI

	on:
	push:
	pull_request:

	jobs:
	docs:
	if: github.event_name != 'pull_request' \|\| github.event.pull_request.head.repo.full_name != github.repository
	runs-on: ubuntu-latest

	steps:
	- name: Avoid git conflicts when tag and branch pushed at same time
	if: startsWith(github.ref, 'refs/tags')
	run: sleep 60

	- name: Checkout
	uses: actions/checkout@v3
	with:
	# Need this to get version number from last tag
	fetch-depth: 0

	- name: Install system packages
	# Can delete this if you don't use graphviz in your docs
	run: sudo apt-get install graphviz

	- name: Install python packages
	uses: ./.github/actions/install_requirements
	with:
	requirements_file: requirements-dev-3.x.txt
	install_options: -e .[dev]

	- name: Build docs
	run: tox -e docs

	- name: Sanitize ref name for docs version
	run: echo "DOCS_VERSION=${GITHUB_REF_NAME//[^A-Za-z0-9._-]/_}" >> $GITHUB_ENV

	- name: Move to versioned directory
	run: mv build/html .github/pages/$DOCS_VERSION

	- name: Write switcher.json
	run: python .github/pages/make_switcher.py --add $DOCS_VERSION ${{ github.repository }} .github/pages/switcher.json

	- name: Publish Docs to gh-pages
	if: github.event_name == 'push' && github.actor != 'dependabot[bot]'
	# We pin to the SHA, not the tag, for security reasons.
	# https://docs.github.com/en/actions/learn-github-actions/security-hardening-for-github-actions#using-third-party-actions
	uses: peaceiris/actions-gh-pages@64b46b4226a4a12da2239ba3ea5aa73e3163c75b # v3.9.1
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: .github/pages
	keep_files: true

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