Updates workflows and adds pypi release yml #8

	name: Test PyPI build

	on:
	pull_request:
	push:

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	test-pypi-build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Set up Python 3.9
	uses: actions/setup-python@v4
	with:
	python-version: 3.9
	- name: Install pypa/build
	run: \|
	python -m pip install build --user
	- name: Build a source tarball
	run: \|
	python -m build --sdist --outdir dist/ .

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