Finish transition from tox to Nox for current continuous integration checks and weekly tests #1149

	name: Check hyperlinks

	# To check hyperlinks on a pull request, add the label entitled
	# 'perform linkcheck in CI'.

	on:
	schedule:
	- cron: 37 7 * * 2
	workflow_dispatch:
	pull_request:
	types: [labeled, opened, synchronize, reopened]
	branches:
	- main

	jobs:

	linkcheck:
	name: Documentation linkcheck
	runs-on: ubuntu-latest
	if: >-
	github.event_name == 'workflow_dispatch' \|\|
	(github.event_name == 'pull_request' && contains(github.event.pull_request.labels.*.name, 'perform linkcheck in CI')) \|\|
	(github.event_name == 'schedule' && github.repository == 'PlasmaPy/PlasmaPy' && github.ref == 'refs/heads/main')

	steps:

	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.12

	- name: Install Python dependencies
	run: python -m pip install --upgrade nox uv

	- name: Install graphviz & pandoc
	run: sudo apt-get install graphviz pandoc

	- name: Check hyperlinks
	run: nox -s linkcheck

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