Added new da.grib2io.update_attrs to update message attributes #295

	name: Build and Test on Linux

	on: [push, pull_request]

	jobs:
	build-linux:

	name: Python (${{ matrix.python-version }})
	runs-on: ubuntu-latest
	#env:
	strategy:
	matrix:
	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 Ubuntu Dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install cmake gfortran libopenjp2-7 libopenjp2-7-dev libpng16-16 libpng-dev libaec0 libaec-dev

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

	- name: Install NCEPLIBS-g2c
	run: \|
	wget https://github.com/NOAA-EMC/NCEPLIBS-g2c/archive/refs/tags/v1.8.0.tar.gz
	tar -xzvf v1.8.0.tar.gz
	cd NCEPLIBS-g2c-1.8.0
	mkdir build && cd build
	cmake -DUSE_Jasper=OFF -DUSE_OpenJPEG=ON -DBUILD_PNG=ON -DBUILD_AEC=ON -DBUILD_SHARED_LIBS=ON ..
	make -j2
	sudo make install

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

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