Update Excel plugin with output support #346

Job	Run time
code-quality	2m 19s
build packages	22s
Buena Vista functional test / python 3.9	13m 41s
file-based functional test / python 3.8	4m 39s
file-based functional test / python 3.9	4m 38s
fsspec test / python 3.9	1m 13s
functional test / python 3.8	5m 42s
file-based functional test / python 3.10	6m 46s
MotherDuck functional test / python 3.9	3m 41s
functional test / python 3.9	4m 37s
file-based functional test / python 3.11	4m 8s
plugins test / python 3.9	1m 35s
functional test / python 3.10	4m 19s
unit test / python 3.8	1m 12s
functional test / python 3.11	3m 49s
unit test / python 3.9	1m 29s
unit test / python 3.10	1m 8s
unit test / python 3.11	1m 32s
verify packages / python 3.8 / ubuntu-latest	39s
verify packages / python 3.9 / ubuntu-latest	45s
verify packages / python 3.10 / ubuntu-latest	42s
verify packages / python 3.11 / ubuntu-latest	48s
verify packages / python 3.8 / macos-latest	1m 16s
verify packages / python 3.9 / macos-latest	1m 10s
verify packages / python 3.10 / macos-latest	1m 28s
verify packages / python 3.11 / macos-latest	1m 16s
verify packages / python 3.8 / windows-latest	1m 52s
verify packages / python 3.9 / windows-latest	2m 27s
verify packages / python 3.10 / windows-latest	2m 29s
verify packages / python 3.11 / windows-latest	2m 28s
	1h 24m 10s

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