update gcc versions in CI #1201

	# This is a GitHub CI workflow for the NCEPLIBS-bufr project.
	#
	# This workflow tests on MacOS.
	#
	# Ed Hartnett, 1/10/23
	name: MacOS
	on:
	push:
	branches:
	- develop
	pull_request:
	branches:
	- develop

	jobs:
	MacOS:
	runs-on: macos-latest
	env:
	FC: gfortran-12
	F90: gfortran-12

	steps:

	- name: Set up Python 3.11
	uses: actions/setup-python@v4
	with:
	python-version: 3.11

	- name: install-deps
	run: \|
	pip3 install numpy
	pip3 install meson
	pip3 install ninja
	pip3 install netCDF4
	pip3 install protobuf
	sudo ln -sf /usr/local/bin/gfortran-12 /usr/local/bin/gfortran

	- name: checkout-bufr
	uses: actions/checkout@v4
	with:
	path: bufr

	- name: cache-data
	id: cache-data
	uses: actions/cache@v4
	with:
	path: ~/data
	key: data-18

	- name: build-bufr
	run: \|
	cd bufr
	mkdir build
	cd build
	cmake -DTEST_FILE_DIR=/Users/runner/data -DCMAKE_INSTALL_PREFIX=./install -DENABLE_PYTHON=ON ..
	make -j2 VERBOSE=1
	make install

	- name: test-bufr
	run: \|
	cd bufr/build
	ctest --verbose --output-on-failure --rerun-failed

	- name: cache-data
	if: steps.cache-data.outputs.cache-hit != 'true'
	run: \|
	mkdir ~/data
	cp $GITHUB_WORKSPACE/bufr/build/test/bufr-12.2.0.tgz ~/data

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