Update Cython 3 and Numpy 2 #150

	#
	# Test that the package can be installed using legacy method: `python setup.py install`
	#

	name: setup.py

	on:
	pull_request:
	push:
	branches:
	- master

	defaults:
	run:
	shell: bash

	jobs:
	build-install-test:
	strategy:
	fail-fast: false
	matrix:
	# Disable MacOS testing because it's being dumb
	# os: [ ubuntu-20.04, ubuntu-22.04, windows-latest, macos-latest ]
	os: [ ubuntu-20.04, ubuntu-22.04, windows-latest ]
	python: [ "3.9", "3.10", "3.11", "3.12" ]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Install MSBuild
	if: runner.os == 'Windows'
	uses: microsoft/[email protected]
	with:
	msbuild-architecture: x64
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: Setup Python ${{ matrix.python }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}
	- name: Install build dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install --upgrade setuptools>=42 setuptools_scm numpy Cython
	- name: Build and install eigency
	run: \|
	python setup.py build
	python setup.py install
	- name: Test eigency
	run: \|
	cd tests
	python setup.py build
	python setup.py install
	mkdir test_run
	cp run_tests.py test_run/.
	cd test_run
	python run_tests.py

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