Bump actions/download-artifact from 2 to 4.1.7 in /.github/workflows #55

Job	Run time
Test on ubuntu-latest / Python 3.8	10s
Test on ubuntu-latest / Python 3.9	10s
Test on ubuntu-latest / Python 3.10	23s
Test on ubuntu-latest / Python 3.11	20s
Test on ubuntu-latest / Python 3.12	11s
Test on ubuntu-latest / Python pypy-3.8	18s
Test on ubuntu-latest / Python pypy-3.9	18s
Test on ubuntu-latest / Python pypy-3.10	21s
Test on windows-latest / Python 3.8	31s
Test on windows-latest / Python 3.9	25s
Test on windows-latest / Python 3.10	31s
Test on windows-latest / Python 3.11	36s
Test on windows-latest / Python 3.12	39s
Test on windows-latest / Python pypy-3.8	1m 35s
Test on windows-latest / Python pypy-3.9	1m 34s
Test on windows-latest / Python pypy-3.10	1m 22s
Test on macos-latest / Python 3.10	11s
Test on macos-latest / Python 3.11	12s
Test on macos-latest / Python 3.12	11s
	9m 58s

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