Update Checkov and CFN-Lint #740

	name: Backend Unit Tests

	on:
	pull_request:
	paths:
	- "backend/**"
	- ".github/workflows/test_backend.yml"

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # actions/[email protected]
	- uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # actions/[email protected]
	with:
	python-version: "3.9"
	cache: pipenv
	cache-dependency-path: backend/Pipfile.lock
	- uses: hashicorp/setup-terraform@b9cd54a3c349d3f38e8881555d616ced269862dd # hashicorp/[email protected]
	- uses: actions/cache@2cdf405574d6ef1f33a1d12acccd3ae82f47b3f2 # actions/[email protected]
	with:
	# Tool versions are defined in the Makefile.
	key: backend-unit-test-tools-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('backend/Makefile') }}
	path: backend/.temp
	- name: Install Test Dependencies
	run: \|
	pip install --upgrade pipenv wheel
	- name: Run code style tests
	run: make -C backend style-test ENV=example
	- name: Run backend tests
	run: make -C backend unit-test ENV=example

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