[cicd] rewrite recipe to use conda-incubator/setup-miniconda@v3 #42

	name: conda build

	on: [ push ]

	jobs:
	linux:
	runs-on: "ubuntu-latest"
	steps:
	- uses: actions/checkout@v4
	- uses: conda-incubator/setup-miniconda@v3
	with:
	miniconda-version: "latest"
	python-version: '3.10'
	environment-file: environment.yml
	shell: bash -el {0}
	- name: Set paths and variables
	run: \|
	echo "PROJ_DATA=$CONDA/share/proj" >> $GITHUB_ENV
	- name: Lint with flake8
	run: \|
	conda install flake8
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: Install package
	run: \|
	pip install .
	- name: Test with pytest
	run: \|
	conda install pytest coverage
	coverage run -m pytest
	- name: Publish to coveralls.io
	uses: coverallsapp/github-action@v2
	with:
	github-token: ${{ github.token }}

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