Bump to miniforge and py3.13 #282

	name: GH Actions CI
	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master
	schedule:
	# 3 am Tuesdays and Fridays
	- cron: "0 3 * * 2,5"

	concurrency:
	group: "${{ github.ref }}-${{ github.head_ref }}-${{ github.workflow }}"
	cancel-in-progress: true

	defaults:
	run:
	shell: bash -l {0}

	jobs:
	unittests:
	if: "github.repository == 'MDAnalysis/GridDataFormats'"
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, ]
	python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
	include:
	- os: windows-latest
	python-version: "3.13"
	- os: macos-latest
	python-version: "3.13"

	steps:
	- uses: actions/checkout@v4

	- name: setup_miniconda
	uses: conda-incubator/setup-miniconda@v3
	with:
	python-version: ${{ matrix.python-version }}
	auto-update-conda: true
	channel-priority: flexible
	channels: conda-forge
	add-pip-as-python-dependency: true
	use-mamba: true
	miniforge-version: latest

	- name: install package deps
	run: \|
	mamba install numpy scipy mrcfile pytest pytest-cov codecov

	- name: check install
	run: \|
	which python
	which pip
	conda info
	conda list

	- name: install package
	run: \|
	pip install -v .

	- name: run unit tests
	run: \|
	pytest -v --cov=gridData --cov-report=xml --color=yes ./gridData/tests

	- name: codecov
	uses: codecov/codecov-action@v4
	if: github.event_name != 'schedule'
	with:
	file: coverage.xml
	fail_ci_if_error: True
	verbose: True

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