Update GitHub Actions workflows #928

	name: Build documentation

	on:
	push:
	pull_request:
	workflow_dispatch:

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	env:
	FORCE_COLOR: "1"

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3"

	- name: Install apt dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install graphviz libclang1-11 libclang-cpp11

	- name: Install doxygen from SourceForge binary archives
	env:
	DOXYGEN_VERSION: 1.9.4
	run: \|
	mkdir doxygen-bin-arc && cd doxygen-bin-arc
	curl -L https://sourceforge.net/projects/doxygen/files/rel-$DOXYGEN_VERSION/doxygen-$DOXYGEN_VERSION.linux.bin.tar.gz > doxygen.tar.gz
	gunzip doxygen.tar.gz
	tar xf doxygen.tar
	cd doxygen-$DOXYGEN_VERSION
	sudo make install

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install .[docs]

	- name: Build the documentation
	run: \|
	make html
	rm documentation/build/html/.buildinfo

	- uses: actions/upload-artifact@v4
	with:
	name: docs build artifacts
	path: \|
	documentation/build/html
	examples///xml

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