Make CI V&V tests verbose and add 3nj generator workflow #3

	name: "Pentagon Identity ∑(−1)^(J+x)(2x+1)… = …"

	on:
	push:
	paths:
	# only when the generating-functional code or this test file changes
	- 'src/su2_3nj_gen/generating_functional.py'
	- 'tests/test_biedenharn_elliott_identity.py'
	workflow_dispatch: {}

	jobs:
	pentagon:
	name: "Verify Pentagon Identity"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v4
	with: { python-version: "3.x" }
	- name: Install dependencies
	run: \|
	pip install -e .
	pip install pytest
	- name: Run pentagon identity test
	run: pytest tests/test_biedenharn_elliott_identity.py -vv -s

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