[Rust] Implement conversion of ArrowArray to array::Array

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Reporter: Jorge Leitão / @jorgecarleitao
Assignee: Jorge Leitão / @jorgecarleitao

_{Note: This issue was originally created as ARROW-10112. Please see the migration documentation for further details.}

[asfimport]

Andrew Lamb / @alamb:
Migrated to github: apache/arrow-rs#106