build

Bump actions/download-artifact from 4 to 5 #1546

Job	Run time
test-sdist	1m 47s
'twine-check' on py3.x	23s
'mypy' on py3.x	27s
'py-mindeps' on py3.9	31s
ensure-catalog-matches-hook-config	21s
Test on ubuntu, py3.11	1m 46s
Test on windows, py3.13	2m 50s
Test on ubuntu, py3.9	1m 47s
Test on ubuntu, py3.12	1m 55s
Test on windows, py3.12	2m 45s
Test on windows, py3.10	2m 43s
Test on windows, py3.11	2m 48s
Test on macos, py3.10	1m 45s
Test on ubuntu, py3.13	1m 55s
Test on macos, py3.12	1m 11s
Test on ubuntu, py3.10	2m 1s
Self-Check	11s
Test on windows, py3.9	2m 44s
Test on macos, py3.11	1m 10s
Test on macos, py3.13	1m 18s
Test on macos, py3.9	2m 11s
Collate results to check for skipped tests	5s
	34m 34s

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