Updated deprecated gh-actions #134

	name: Test package

	# This is a basic action to run the package's tests.
	# it caches the CmdStan installation between runs.

	on:
	push:
	branches:
	- 'main'
	tags:
	- '**'
	pull_request:
	workflow_dispatch: {}

	env:
	CMDSTAN_VERSION: "2.31.0"

	jobs:
	sk-stan-learn:
	name: tests
	runs-on: ${{matrix.os}}
	strategy:
	matrix:
	os: [ubuntu-latest] # , macos-latest, windows-latest
	python-version: ["3.10", "3.11"] # 3.7, 3.8, 3.9,
	env:
	GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
	steps:
	- name: Check out github
	uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install cmdstanpy
	run: \|
	python -m pip install --upgrade pip wheel
	pip install "cmdstanpy==1.0.4"

	- name: CmdStan installation cacheing
	uses: actions/cache@v2
	with:
	path: ~/.cmdstan
	key: ${{ runner.os }}-cmdstan-${{ env.CMDSTAN_VERSION }}

	- name: Install CmdStan (Linux, macOS)
	if: matrix.os != 'windows-latest'
	run: \|
	python -m cmdstanpy.install_cmdstan --version "${{ env.CMDSTAN_VERSION }}" --cores 2

	- name: Install CmdStan (Windows)
	if: matrix.os == 'windows-latest'
	run: \|
	python -m cmdstanpy.install_cmdstan --compiler --version "${{ env.CMDSTAN_VERSION }}" --cores 2

	- name: Install package
	run: \|
	pip install .[development]
	pip install .[error_propagation]

	- name: Run tests
	run: \|
	pytest -v ./tests

Provide feedback