Update deprecated v3 -> v4 for upload-artifact and download-artifact … #796

Job	Run time
Buena Vista functional test / python 3.11	2m 23s
code-quality	1m 21s
build packages	17s
Check if MotherDuck v0.10.x token exists	1s
file-based functional test / python 3.9	2m 46s
fsspec test / python 3.9	1m 0s
plugins test / python 3.11	58s
file-based functional test / python 3.10	2m 42s
functional test / python 3.9	2m 48s
file-based functional test / python 3.11	2m 18s
functional test / python 3.10	2m 46s
file-based functional test / python 3.12	2m 41s
functional test / python 3.11	2m 24s
unit test / python 3.9	1m 4s
functional test / python 3.12	2m 31s
unit test / python 3.10	58s
unit test / python 3.11	55s
unit test / python 3.12	1m 12s
MotherDuck functional test / python 3.9	4m 56s
verify packages / python 3.9 / ubuntu-latest	28s
verify packages / python 3.10 / ubuntu-latest	28s
verify packages / python 3.11 / ubuntu-latest	27s
verify packages / python 3.12 / ubuntu-latest	32s
verify packages / python 3.9 / macos-latest	51s
verify packages / python 3.10 / macos-latest	38s
verify packages / python 3.11 / macos-latest	28s
verify packages / python 3.12 / macos-latest	32s
verify packages / python 3.9 / windows-latest	1m 25s
verify packages / python 3.10 / windows-latest	1m 40s
verify packages / python 3.11 / windows-latest	1m 26s
verify packages / python 3.12 / windows-latest	1m 28s
	46m 24s

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