Rework attack graph deepcopy implementation to make it less recursive. #171

	name: MyPy maltoolbox
	on: [push]

	jobs:

	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.10"]
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.x'
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r tests/requirements.txt
	- name: Type checking with MyPy
	run: \|
	pip install mypy
	mypy maltoolbox tests --ignore-missing-imports

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