build(deps): bump actions/download-artifact from 4 to 5 #1739

Job	Run time
Build source distribution	9s
Decide which wheel types to build	3s
manylinux_x86_64 wheels	6m 51s
musllinux_x86_64 wheels	8m 44s
test_attaching_to_eol_interpreters (2.7)	57s
test_wheels (3.10)	1m 0s
test_in_alpine	39s
test_attaching_to_eol_interpreters (3.7)	2m 20s
test_wheels (3.11)	4m 3s
test_wheels (3.9)	1m 59s
test_wheels (3.8)	2m 10s
test_free_threading (3.13)	2m 38s
test_wheels_in_fedora	53s
test_wheels_in_debian	57s
test_wheels (3.13)	5m 29s
test_wheels (3.12)	3m 25s
test_wheels_in_arch	57s
upload_pypi	0s
	43m 14s

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