Bump actions/checkout from 2 to 4 #207

	name: docs build

	on:
	push:
	branches:
	- development
	- main
	pull_request:
	branches:
	- development

	jobs:
	docs:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Install pandoc and doxygen
	run: \|
	sudo apt install pandoc doxygen

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	cache: "pip"

	- name: Install dependencies
	run: pip install -r ./requirements.txt

	- name: Build docs
	run: \|
	cd sphinx_docs/
	make SPHINXOPTS=-v NO_DOXYGEN=TRUE html

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