Merge pull request #1980 from TEAMSchools/refactor-datagun-csv #1497

Job	Run time
dagster-cloud-deploy / prerun	4s
dagster-cloud-deploy / build (linux/amd64)	1m 48s
dagster-cloud-deploy / build (linux/arm64)	6m 21s
dagster-cloud-deploy / merge	37s
dagster-cloud-deploy / deploy	1m 24s
	10m 14s

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