build

Bump actions/checkout from 4 to 5 #1564

Job	Run time
Self-Check	16s
'twine-check' on py3.x	21s
'py-mindeps' on py3.9	42s
ensure-catalog-matches-hook-config	22s
'mypy' on py3.x	27s
test-sdist	1m 50s
Test on ubuntu, py3.11	1m 47s
Test on ubuntu, py3.10	1m 57s
Test on ubuntu, py3.13	1m 52s
Test on ubuntu, py3.9	1m 58s
Test on macos, py3.9	2m 38s
Test on windows, py3.12	2m 49s
Test on windows, py3.11	2m 51s
Test on macos, py3.10	1m 39s
Test on ubuntu, py3.12	1m 55s
Test on macos, py3.12	1m 21s
Test on macos, py3.11	1m 43s
Test on windows, py3.10	3m 11s
Test on windows, py3.9	2m 48s
Test on macos, py3.13	1m 51s
Test on windows, py3.13	3m 1s
Collate results to check for skipped tests	9s
	37m 28s

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