Replacing Sphinx Build Action - with simpler approach #2779

	# Github Actions workflow to generate documentation
	# Uses the following shared task definitions:
	# - (checkout, upload artifact) from Github
	# - sphinx-action maintained by @ammaraskar
	name: Sphinx build

	# Controls when the action will run.
	# Triggers the workflow on push or pull request events.
	on:
	- push
	- pull_request

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Create Sphinx log file
	run: mkdir -p /tmp && touch /tmp/sphinx-log
	- uses: ammaraskar/sphinx-action@master
	with:
	docs-folder: "doc/"
	pre-build-command: pip3 install sphinx_markdown_builder
	- uses: actions/upload-artifact@v3
	with:
	name: UserGuideHTML
	path: "doc/_build/html/"

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