Bump up jupyter-book to version 0.15.X #17

	name: Web deployment

	on:
	push:
	branches:
	- main
	paths:
	- "book/**"
	- "requirements.txt"

	jobs:

	push:
	needs: []
	runs-on: ubuntu-latest
	steps:
	- name: "Set up GitHub Actions"
	uses: actions/checkout@v3
	- name: "Set up Python 3.7"
	uses: actions/setup-python@v4
	with:
	python-version: 3.7
	- name: "Install Python dependencies"
	run: \|
	pip install --no-cache-dir --upgrade pip setuptools wheel
	pip install --no-cache-dir --requirement requirements.txt
	pip list
	- name: "Build web page"
	run: \|
	make build
	- name: "Push built web to GitHub Pages"
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: _build/html

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