Bump actions/download-artifact from 3 to 4.1.7 in /.github/workflows #580

Job	Run time
Format	14s
Unit tests with Python 3.12	56s
Functional tests with Python 3.12	54s
Unit tests with Python 3.11	51s
Functional tests with Python 3.11	49s
Lint	54s
Unit tests with Python 3.10	52s
Functional tests with Python 3.10	56s
Unit tests with Python 3.9	52s
Functional tests with Python 3.9	54s
Typecheck	48s
Unit tests with Python 3.8	55s
Functional tests with Python 3.8	52s
Coverage	6s
	10m 53s

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