update python version #17

	name: CI

	on:
	push:
	branches:
	- '*'
	paths-ignore:
	- README.md
	pull_request:
	branches:
	- master
	paths-ignore:
	- README.md

	jobs:
	build:
	name: Build and install the package
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [windows-latest, macos-latest, ubuntu-latest]
	steps:
	- uses: actions/checkout@v4
	- name: Pull pybind11
	run: git submodule update --init --recursive
	- name: Setup Python 3.9
	uses: actions/setup-python@v5
	with:
	python-version: '3.9'
	cache: 'pip'
	- name: Install build tools
	run: pip install wheel setuptools cibuildwheel==2.21.3
	- name: Build wheels
	run: python -m cibuildwheel --output-dir wheelhouse
	- name: Upload wheels
	uses: actions/upload-artifact@v4
	with:
	name: wheels-${{ runner.os }}
	path: ./wheelhouse/*.whl

	publish:
	name: Publish to pypi
	runs-on: ubuntu-latest
	needs: build
	steps:
	- name: Setup Python 3.9
	uses: actions/setup-python@v5
	with:
	python-version: '3.9'
	- name: Download all dists
	uses: actions/download-artifact@v4
	with:
	path: dist
	pattern: wheels-*
	merge-multiple: true
	- name: Show dist
	run: ls dist
	- name: Publish package to TestPyPI
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	password: ${{ secrets.TEST_PYPI_API_TOKEN }}
	repository-url: https://test.pypi.org/legacy/
	verbose: true

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