Update actions/download-artifact action to v5 #2555

Job	Run time
Cache identify	3s
Dependency	4s
Shellcheck	8s
Prepare	7s
Ruff check and force	9s
Check commit	34s
Run pytest using Python 3.13	26s
Run mypy	0s
Process test coverage	0s
Process test complexity	-1s
Build and publish Python 🐍 distributions 📦 to TestPyPI	-1s
	1m 29s

Provide feedback