Update requirements #18

	name: Build documentation, check links, spelling, grammar, and style
	on:
	push:
	branches:
	- main
	paths:
	- 'docs/**'
	# Build pull requests
	pull_request:
	paths:
	- 'docs/**'
	- 'styles/**'
	- '.github/workflows/rtd-pr-preview.yml'
	- '.github/workflows/test.yml'
	- '.readthedocs.yaml'
	- '.vale.ini'
	- 'requirements.txt'
	- 'requirements-docs.txt'

	jobs:
	docs:
	name: Documentation
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.12']
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	cache-dependency-path: 'requirements-docs.txt'

	- name: Create Python virtual environment
	run: pip install virtualenv

	- name: pip install requirements
	run: pip install -r requirements-docs.txt

	- name: Check for broken links
	run: make linkcheckbroken

	- name: Build HTML documentation
	run: make html

	- name: Run vale
	run: make vale VALEOPTS="--minAlertLevel='warning'"

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