Bump tibdex/github-app-token from 1.7.0 to 2.1.0 #1752

	name: Check Sphinx external links
	on:
	pull_request:
	schedule:
	- cron: '0 5 * * *' # once per day at midnight ET
	workflow_dispatch:

	jobs:
	check-external-links:
	runs-on: ubuntu-latest
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true
	steps:
	- name: Checkout repo
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.13'

	- name: Install Sphinx dependencies and package
	run: \|
	python -m pip install --upgrade pip
	python -m pip install ".[test,docs,full]"

	- name: Check Sphinx external links
	run: sphinx-build -W -b linkcheck ./docs/source ./test_build

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