Update actions/download-artifact action to v5 #5690

Job	Run time
Shellcheck	5s
Cache identify	6s
Dependency	3s
Prepare	1m 55s
Ruff check and force	17s
Check commit	45s
Run pytest using Python 3.13	25s
Run mypy	28s
Process test coverage	15s
Build and publish Python 🐍 distributions 📦 to TestPyPI	-1s
Process test complexity	-1s
	4m 17s

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