MAINT: `pkg_resources` deprecation (#169) #6

	# derived from https://github.com/biocore/biom-format/blob/master/.github/workflows/release.yml
	name: Build and upload to PyPI

	on:
	push:
	tags:
	- "*"

	env:
	earliest_python: "3.9"
	latest_python: "3.12"
	miniforge_version: "23.11.0-0"
	miniforge_variant: "Mambaforge"

	jobs:
	release:
	runs-on: ubuntu-latest
	environment:
	name: pypi
	url: https://pypi.org/p/unifrac
	permissions:
	id-token: write
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.9
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Build distribution
	run: \|
	# set version from '${{ github.ref_name }}'
	export RELEASE_VERSION=${{ github.ref_name }}
	pip install numpy cython
	python setup.py sdist

	- name: Publish a Python distribution to PyPI
	if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	user: __token__
	password: ${{ secrets.PYPI_API_TOKEN }}

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