fix: Allow converting `DatetimeOwned` to `ChunkedArray` #11776

Job	Run time
check-features	8m 33s
check-wasm	6m 5s
integration-test (ubuntu-latest)	1m 52s
integration-test (windows-latest)	6m 49s
test (ubuntu-latest)	3m 51s
test (windows-latest)	10m 45s
	37m 55s

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