Add support for comma separated strings #555

Job	Run time
wheel-build / compute-matrix	3s
checks / other-checks	39s
checks / check-style	1m 7s
wheel-build / 12.5.1, 3.12, amd64, rockylinux8	3m 31s
conda-python-build / compute-matrix	2s
conda-python-build / build (amd64, 3.10, 11.8.0, ubuntu22.04)	3m 16s
conda-python-build / build (amd64, 3.10, 12.5.1, ubuntu22.04)	3m 16s
conda-python-build / build (amd64, 3.11, 11.8.0, ubuntu22.04)	3m 36s
conda-python-build / build (amd64, 3.11, 12.5.1, ubuntu22.04)	3m 34s
conda-python-build / build (amd64, 3.12, 11.8.0, ubuntu22.04)	3m 46s
conda-python-build / build (amd64, 3.12, 12.5.1, ubuntu22.04)	3m 8s
conda-python-build / build (arm64, 3.10, 11.8.0, ubuntu22.04)	2m 41s
conda-python-build / build (arm64, 3.10, 12.5.1, ubuntu22.04)	2m 49s
conda-python-build / build (arm64, 3.11, 11.8.0, ubuntu22.04)	2m 44s
conda-python-build / build (arm64, 3.11, 12.5.1, ubuntu22.04)	2m 48s
conda-python-build / build (arm64, 3.12, 11.8.0, ubuntu22.04)	2m 36s
conda-python-build / build (arm64, 3.12, 12.5.1, ubuntu22.04)	2m 38s
conda-python-tests / compute-matrix	3s
docs-build / build	4m 47s
conda-python-tests / 11.8.0, 3.10, amd64, rockylinux8, v100, earliest-driver, oldest-deps	54m 2s
conda-python-tests / 12.5.1, 3.12, amd64, ubuntu22.04, v100, latest-driver, latest-deps	1h 12m 33s
conda-python-tests / 12.0.1, 3.11, arm64, ubuntu20.04, a100, latest-driver, latest-deps	50m 13s
pr-builder / run	1s
	3h 43m 53s

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