WIP: Simplify graph implementation via the use of shared code #358

Job	Run time
build	5s
cd libs/astradb / poetry run pytest -m compile tests/integration_tests #3.9	1m 27s
cd libs/astradb / poetry run pytest -m compile tests/integration_tests #3.10	1m 30s
cd libs/astradb / poetry run pytest -m compile tests/integration_tests #3.11	1m 31s
cd libs/astradb / make test #3.9	1m 25s
cd libs/astradb / poetry run pytest -m compile tests/integration_tests #3.12	1m 29s
cd libs/astradb / make test #3.10	1m 36s
cd libs/astradb / make integration_tests #3.12	23m 3s
cd libs/astradb / make test #3.11	1m 34s
cd libs/astradb / make lint #3.9	2m 45s
cd libs/astradb / make test #3.12	1m 28s
cd libs/astradb / make lint #3.12	3m 4s
CI Success	1s
	40m 58s

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