test

Bump actions/download-artifact from 3 to 4 #2155

Job	Run time
CLI responsiveness with latest Python	2m 6s
Downstream builds with Python 3.8	36s
Downstream builds with Python 3.9	38s
Downstream builds with Python 3.10	38s
Python 3.8 on Linux	3m 4s
Downstream builds with Python 3.11	35s
Python 3.9 on Linux	2m 55s
Downstream builds with Python 3.12	40s
Python 3.10 on Linux	2m 50s
Python 3.11 on Linux	2m 51s
Python 3.12 on Linux	3m 29s
Python 3.8 on Windows	6m 4s
Python 3.9 on Windows	7m 28s
Python 3.10 on Windows	6m 16s
Python 3.11 on Windows	7m 14s
Python 3.12 on Windows	7m 12s
Python 3.8 on macOS	3m 44s
Python 3.9 on macOS	3m 31s
Python 3.10 on macOS	5m 12s
Python 3.11 on macOS	5m 34s
Python 3.12 on macOS	5m 21s
Report coverage	0s
check	2s
	1h 18m 0s

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