Switch to Poetry for dependency and build management #2095

Job	Run time
debian-build (focal)	4m 45s
build (3.8)	1m 12s
build (3.9)	1m 53s
build (3.10)	1m 41s
build (3.11)	1m 30s
k8ssandra-CreateSingleMedusaJob	17m 20s
integration-tests (3.9, local, 2.2.19)	18m 51s
integration-tests (3.9, local, 3.11.11)	15m 40s
integration-tests (3.9, local, 4.0.0)	20m 49s
integration-tests (3.9, s3, 2.2.19)	22m 26s
integration-tests (3.9, s3, 4.0.0)	25m 37s
integration-tests (3.9, gcs, 2.2.19)	15m 50s
integration-tests (3.9, gcs, 4.0.0)	18m 42s
integration-tests (3.9, minio, 2.2.19)	14m 37s
integration-tests (3.9, minio, 4.0.0)	15m 55s
integration-tests (3.9, azure, 2.2.19)	16m 30s
integration-tests (3.9, azure, 4.0.0)	15m 51s
integration-tests (3.9, azure-hierarchical, 2.2.19)	15m 50s
integration-tests (3.9, azure-hierarchical, 4.0.0)	19m 57s
integration-tests (3.11, 4.0.0, gcs, false)	17m 36s
integration-tests (3.10, 4.0.0, gcs, false)	15m 56s
integration-tests (3.8, 4.0.0, gcs, false)	22m 14s
publish-debian	0s
publish-docker-master	0s
publish-docker	0s
publish-pypi	0s
	5h 20m 42s

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