test

Bump actions/download-artifact from 3 to 4 #2158

Job	Run time
CLI responsiveness with latest Python	2m 7s
Downstream builds with Python 3.8	39s
Python 3.8 on Linux	2m 51s
Downstream builds with Python 3.9	36s
Python 3.9 on Linux	3m 5s
Python 3.10 on Linux	3m 2s
Python 3.11 on Linux	2m 51s
Downstream builds with Python 3.10	41s
Python 3.12 on Linux	3m 12s
Downstream builds with Python 3.11	36s
Python 3.8 on Windows	6m 16s
Python 3.9 on Windows	5m 54s
Downstream builds with Python 3.12	38s
Python 3.10 on Windows	7m 10s
Python 3.11 on Windows	6m 38s
Python 3.12 on Windows	6m 11s
Python 3.8 on macOS	5m 5s
Python 3.9 on macOS	4m 29s
Python 3.10 on macOS	4m 4s
Python 3.11 on macOS	3m 43s
Python 3.12 on macOS	5m 34s
Report coverage	33s
check	4s
	1h 15m 59s

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