Update deprecated v3 -> v4 for upload-artifact and download-artifact #793

Job	Run time
functional test / python 3.9	2m 38s
unit test / python 3.9	1m 7s
functional test / python 3.10	3m 3s
unit test / python 3.10	1m 7s
Check if MotherDuck v0.10.x token exists	1s
Buena Vista functional test / python 3.11	2m 24s
functional test / python 3.11	2m 32s
unit test / python 3.11	1m 2s
functional test / python 3.12	2m 41s
unit test / python 3.12	1m 17s
code-quality	1m 45s
file-based functional test / python 3.9	2m 39s
build packages	14s
file-based functional test / python 3.10	2m 59s
file-based functional test / python 3.11	2m 25s
fsspec test / python 3.9	1m 3s
plugins test / python 3.11	56s
file-based functional test / python 3.12	2m 39s
MotherDuck functional test / python 3.9	7m 29s
verify packages / python 3.9 / ubuntu-latest	26s
verify packages / python 3.10 / ubuntu-latest	28s
verify packages / python 3.11 / ubuntu-latest	31s
verify packages / python 3.12 / ubuntu-latest	34s
verify packages / python 3.9 / macos-latest	45s
verify packages / python 3.10 / macos-latest	51s
verify packages / python 3.11 / macos-latest	25s
verify packages / python 3.12 / macos-latest	35s
verify packages / python 3.9 / windows-latest	1m 1s
verify packages / python 3.10 / windows-latest	1m 24s
verify packages / python 3.11 / windows-latest	1m 28s
verify packages / python 3.12 / windows-latest	1m 25s
	49m 54s

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