Drop pybind11 submodule and use it as a build-time dependency #241

	name: Unit tests

	on:
	pull_request:
	branches:
	- "main"

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

	jobs:
	pytest:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ ubuntu-latest, macos-13, macos-latest]
	python-version: ["3.10", "3.11", "3.12"]

	steps:
	- uses: actions/checkout@v5
	with:
	submodules: 'recursive'

	- name: Install dependencies (Linux)
	if: matrix.os == 'ubuntu-latest'
	run: sudo apt-get install gfortran gcc libopenblas-dev

	- name: Install dependencies (MacOs)
	if: matrix.os == 'macos-13' \|\| matrix.os == 'macos-latest'
	env:
	HOMEBREW_NO_INSTALL_CLEANUP: 1
	HOMEBREW_NO_AUTO_UPDATE: 1
	HOMEBREW_NO_COLOR: 1
	NONINTERACTIVE: 1
	run: \|
	brew analytics off
	brew install libomp
	brew reinstall gcc

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install nox
	run: \|
	pip install nox

	- name: Build and test
	run: \|
	nox

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