Update changelog and version for 0.4 in master branch #892

	name: Build HTML documentation

	on:
	[push, pull_request]

	jobs:
	build:
	name: Build documentation
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v5
	name: Install Python
	with:
	python-version: '3.11'

	- name: Install Pandoc
	run: \|
	sudo apt update
	sudo apt install -y pandoc

	- name: Install documentation dependencies
	run: \|
	python -mpip install -r doc/requirements.txt

	- name: Install qutip-qip from GitHub
	run: \|
	python -mpip install -e .
	# Install in editable mode so it doesn't matter if we import from
	# inside the installation directory, otherwise we can get some errors
	# because we're importing from the wrong location.
	python -c 'import qutip_qip; print("QuTiP QIP Version: %s" % qutip_qip.__version__)'
	python -c 'import qutip; qutip.about()'

	- name: Build documentation
	working-directory: doc
	run: \|
	make html SPHINXOPTS="-W --keep-going -T"
	# Above flags are:
	# -W : turn warnings into errors
	# --keep-going : do not stop after the first error
	# -T : display a full traceback if a Python exception occurs

	- name: Upload built files
	uses: actions/upload-artifact@v4
	with:
	name: qutip_qip_html_docs
	path: doc/_build/html/*
	if-no-files-found: error

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