build

Bump actions/download-artifact from 4 to 5 #1551

Job	Run time
test-sdist	1m 55s
'mypy' on py3.x	25s
'twine-check' on py3.x	24s
ensure-catalog-matches-hook-config	18s
Self-Check	21s
'py-mindeps' on py3.9	33s
Test on ubuntu, py3.10	1m 22s
Test on ubuntu, py3.12	1m 17s
Test on windows, py3.10	1m 51s
Test on windows, py3.13	1m 59s
Test on ubuntu, py3.9	1m 24s
Test on ubuntu, py3.11	1m 21s
Test on windows, py3.9	2m 1s
Test on ubuntu, py3.13	1m 21s
Test on macos, py3.9	1m 22s
Test on macos, py3.11	1m 4s
Test on windows, py3.12	1m 59s
Test on windows, py3.11	2m 4s
Test on macos, py3.13	1m 7s
Test on macos, py3.12	1m 18s
Test on macos, py3.10	1m 15s
Collate results to check for skipped tests	8s
	26m 49s

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