Prepare release 0.21.1 (#1482) #109

	---
	name: Docs Upload
	on:
	push:
	tags:
	- "*"
	workflow_dispatch:

	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.9.12'
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -U virtualenv setuptools wheel tox
	sudo apt-get install -y graphviz pandoc
	- name: Build docs
	run: tox -e docs
	- name: Upload artifact
	uses: actions/upload-artifact@v4
	with:
	name: html_docs
	path: docs/_build/html

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