fix: pin python version to 3.13 #1458

	name: Sphinx

	on:
	pull_request:
	push:

	jobs:
	linkcheck:
	name: Link Check
	runs-on: ubuntu-latest
	steps:
	- name: Clone repository
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.7'
	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r requirements.txt
	- name: Check for broken links
	run: sphinx-build -q --color -b linkcheck source build

	build:
	name: Build Check
	runs-on: ubuntu-latest
	steps:
	- name: Clone repository
	uses: actions/checkout@v4
	- name: Set up Graphviz
	run: sudo apt update && sudo apt install -y graphviz
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.7'
	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install -r requirements.txt
	- name: Load problem matcher
	uses: ammaraskar/sphinx-problem-matcher@master
	- name: Check for build issues
	run: sphinx-build -W --keep-going -b dummy source build

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