Bump actions/checkout from 3 to 4 #68

	name: Update documentation
	on: push

	jobs:
	build:
	name: Build docs
	runs-on: ubuntu-latest
	if: ${{ github.ref != 'refs/heads/main' }}
	steps:
	- name: Checkout main
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.9'

	- name: Install mkdocs requirements
	run: pip install mkdocs mkdocs-material pymdown-extensions mkdocstrings-python mkdocs-jupyter jupyter mkdocs-macros-plugin

	- name: Install photonai requirements
	run: pip install -r requirements.txt

	- name: Install photonai
	run: pip install .

	- name: Build docs
	run: mkdocs build

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