docs(readme): fix title level for user migration #12

	name: Publish to TestPyPI

	on:
	push:
	branches: [master]

	jobs:
	build-and-publish:
	name: Build and publish
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.9
	- name: Install dependencies
	run: pip install -U setuptools wheel build
	- name: Build
	run: python -m build .
	- name: Publish
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	password: ${{ secrets.TEST_PYPI_API_TOKEN }}
	repository_url: https://test.pypi.org/legacy/
	skip_existing: true
	verbose: true

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