Bump actions/download-artifact from 4 to 5 #5739

Job	Run time
build_linux (3.9)	34m 54s
build_linux (3.12)	33m 37s
build_linux (3.11)	34m 17s
build_windows (3.11)	38m 11s
build_windows (3.12)	44m 7s
build_windows (3.10)	42m 46s
build_linux (3.13)	34m 4s
build_windows (3.13)	36m 2s
build_windows (3.9)	38m 23s
build_linux (3.10)	34m 52s
test_linux (3.9, false, ubuntu-22.04)	10m 15s
test_examples_linux (3.11, false, ubuntu-22.04)	7m 51s
test_linux (3.11, false, ubuntu-22.04)	10m 7s
test_linux (3.10, false, ubuntu-22.04)	9m 54s
test_linux (3.12, false, ubuntu-22.04)	10m 10s
array-api-conformity (3.10, false, ubuntu-22.04)	5m 2s
test_linux (3.13, false, ubuntu-22.04)	11m 37s
test_windows (3.12, false, windows-latest)	14m 10s
test_windows (3.9, false, windows-latest)	12m 46s
test_windows (3.11, false, windows-latest)	14m 22s
test_windows (3.10, false, windows-latest)	12m 42s
test_windows (3.13, false, windows-latest)	14m 9s
upload_linux	0s
upload_windows	0s
Clean up anaconda packages	0s
	8h 24m 18s

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