Update for xarray backend #294

	name: Build and Test on macOS

	on: [push, pull_request]

	jobs:
	build-macos:

	name: Python (${{ matrix.python-version }})
	runs-on: ${{ matrix.os }}
	env:
	CC: gcc-12
	strategy:
	matrix:
	os: ["macos-latest",]
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install macOS Dependencies
	run: \|
	brew install jasper libpng libaec
	brew tap eengl/nceplibs
	brew install nceplibs-g2c

	- name: Install python dependencies via pip
	run: \|
	python3 -m pip install --upgrade pip
	python3 -m pip install --upgrade setuptools
	python3 -m pip install --upgrade wheel
	python3 -m pip install -r requirements.txt

	- name: Install grib2io and test
	run: \|
	python --version
	pip install .
	pytest ./tests/

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