Add support for zero-copy conversions from an xarray to a DimArray #2803

Job	Run time
Julia 1 - macOS-latest - x64	25m 22s
Julia 1.10 - windows-latest - x64	21m 54s
Julia 1.10 - ubuntu-latest - x64	15m 24s
Julia 1.10 - macOS-latest - x64	14m 34s
Julia 1 - ubuntu-latest - x64	26m 8s
Julia nightly - ubuntu-latest - x64	9m 26s
Julia 1 - windows-latest - x64	30m 23s
	2h 23m 11s

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