Build: Bump actions/download-artifact from 7 to 8 (#3109) #7919

Job	Run time
integration-test-s3	1m 12s
integration-test-gcs	1m 8s
integration-test-adls	1m 18s
lint-and-unit-test (3.10)	3m 1s
cibw-dev-env-smoke-test	34s
integration-test	10m 59s
lint-and-unit-test (3.11)	2m 56s
lint-and-unit-test (3.13)	2m 53s
lint-and-unit-test (3.12)	3m 2s
integration-coverage-report	33s
	27m 36s

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