download libsodium from github release #26

	name: Test docs

	# The tests defined in docs/ are currently influenced by changes to _version.py
	# and scopes.py.
	on:
	pull_request:
	paths:
	- "docs/**"
	- "zmq/**"
	- ".github/workflows/test-docs.yml"
	push:
	paths:
	- "docs/**"
	- "zmq/**"
	- ".github/workflows/test-docs.yml"
	branches-ignore:
	- "dependabot/**"
	- "pre-commit-ci-update-config"
	tags:
	- "**"
	workflow_dispatch:

	env:
	LANG: C.UTF-8
	SPHINXOPTS: "-W"

	jobs:
	test-docs:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-python@v5
	with:
	python-version: "3.11"
	cache: pip

	- name: Install libzmq
	run: \|
	sudo apt-get -y install libzmq3-dev

	- name: Install pyzmq
	run: \|
	pip install -v .

	- name: Install requirements
	run: \|
	pip install -r docs/requirements.txt

	# readthedocs doesn't halt on warnings,
	# so raise any warnings here
	- name: build docs
	run: \|
	cd docs
	make html

	- name: check links
	run: \|
	cd docs
	make linkcheck

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