Update actions/download-artifact action to v5 #5693

Job	Run time
Shellcheck	4s
Cache identify	5s
Dependency	4s
Prepare	16s
Ruff check and force	14s
Check commit	49s
Run pytest using Python 3.13	25s
Run mypy	19s
Process test coverage	17s
Build and publish Python 🐍 distributions 📦 to TestPyPI	0s
Process test complexity	0s
	2m 33s

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