Fix the changelog heading level #266

	#
	# Build and deploy documentation
	#
	name: Docs

	on:
	push:
	branches: [main]
	paths:
	- 'HinetPy/*.py'
	- 'docs/**'
	- 'README.rst'
	pull_request:
	paths:
	- 'HinetPy/*.py'
	- 'docs/**'
	- 'README.rst'
	workflow_dispatch:

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

	jobs:
	deploy-docs:
	name: Docs
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	# fecth all history so that setuptools-scm works
	fetch-depth: 0

	- name: Set up Python 3.x
	uses: actions/setup-python@v5
	with:
	python-version: '3.x'

	- name: Install dependencies
	run: \|
	python -m pip install -r requirements.txt
	python -m pip install build sphinx sphinx-intl sphinx_rtd_theme
	python -m build --sdist
	python -m pip install dist/*

	- name: Build documentation
	run: make doc

	- name: Deploy to GitHub Pages
	uses: peaceiris/actions-gh-pages@v4.0.0
	# Only deploy on main branch
	if: github.ref == 'refs/heads/main'
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_branch: gh-pages
	publish_dir: ./docs/_build/html

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