chore(deps): update actions/download-artifact action to v4.1.8 #337

Job	Run time
Build source distribution	12s
docker	13m 35s
Build wheels (ubuntu-20.04)	6m 5s
Integration Tests (Cassandra)	5m 20s
Build wheels (windows-2019)	5m 51s
Integration Tests (Scylla)	4m 21s
Integration Tests (Scylla Cloud Bundle)	4m 50s
Build wheels (macos-13)	6m 6s
Integration Tests (Scylla Enterprise)	4m 23s
Build wheels (macos-14)	5m 50s
upload_pypi	0s
	56m 33s

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