Bump docker/setup-buildx-action from 3 to 4 #382

	name: Build documentation

	on:
	pull_request:
	branches: [main]
	workflow_call:
	workflow_dispatch:

	env:
	DEB_PYTHON_INSTALL_LAYOUT: deb_system
	DISPLAY: ":99.0"
	CI: 1

	jobs:

	build:
	runs-on: ubuntu-22.04
	container: ghcr.io/fenics/dolfinx/lab:v0.10.0
	env:
	PUBLISH_DIR: ./build
	PYVISTA_OFF_SCREEN: false
	PYVISTA_JUPYTER_BACKEND: "html"

	steps:
	- name: Checkout
	uses: actions/checkout@v6

	- name: Install dependencies for pyvista
	run: apt-get update && apt-get install -y libxrender1

	- name: Install dependencies
	run: \|
	python3 -m pip install -r https://raw.githubusercontent.com/scientificcomputing/scifem/refs/heads/main/build-requirements.txt
	python3 -m pip install scifem --no-build-isolation
	python3 -m pip install ".[docs]"

	- name: Build docs
	run: python3 -m sphinx -b html . build

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v4
	with:
	path: ${{ env.PUBLISH_DIR }}

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