chore(deps): update actions/download-artifact action to v5 #2949

Job	Run time
test_min_deps (ubuntu-latest)	42s
test_min_deps (macos-latest)	43s
Integration Tests (pdm.lock)	29s
test_min_deps (windows-latest)	1m 3s
Integration Tests (pdm.minimal.lock)	28s
test (3.9, ubuntu-latest)	1m 18s
test (3.10, macos-latest)	1m 6s
test (3.9, windows-latest)	1m 39s
test (3.9, macos-latest)	1m 29s
test (3.12, ubuntu-latest)	1m 25s
test (3.11, ubuntu-latest)	1m 16s
test (3.12, macos-latest)	47s
test (3.11, windows-latest)	1m 38s
test (3.11, macos-latest)	45s
test (3.13, ubuntu-latest)	1m 24s
test (3.10, windows-latest)	1m 42s
test (3.10, ubuntu-latest)	1m 23s
test (3.13, windows-latest)	1m 42s
test (3.12, windows-latest)	1m 37s
test (3.13, macos-latest)	44s
Combine & check coverage	11s
	23m 31s

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