switch to poetry & update katex version #229

	name: GitHub Pages Deploy
	on:
	push:
	branches:
	- master
	permissions:
	contents: write
	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- name: Check out repository code
	uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.12'
	- name: Load cached dependencies
	id: cached-deps
	uses: actions/cache@v3
	with:
	path: /home/runner/.cache
	key: ${{ runner.os }}-deps-${{ hashFiles('/poetry.lock', '/requirements.txt', '*/apt-packages.txt') }}
	restore-keys: ${{ runner.os }}-deps-
	- name: Install dependencies
	run: \|
	if [ -f apt-packages.txt ]; then
	mkdir -p /home/runner/.cache/apt/archives
	apt-get update
	apt-get upgrade -y
	apt-get -o dir::cache::archives="/home/runner/.cache/apt/archives" install -y --no-install-recommends $(cat apt-packages.txt)
	apt-get clean
	fi
	python -m pip install --upgrade pip
	pip install poetry
	poetry config virtualenvs.path /home/runner/.cache/pypoetry/virtualenvs
	poetry install --no-root --no-interaction --no-ansi
	# disable for social plugin to give KeyError: 'Regular'
	# - uses: actions/cache@v2
	# with:
	# key: ${{ github.ref }}
	# path: .cache
	- name: Deploy
	run: poetry run mkdocs gh-deploy --remote-branch gh-pages --force

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