Make string comparisson kernels generic over Utf8 and LargeUtf8

[asfimport]

Reporter: Ritchie / @ritchie46
Assignee: Ritchie / @ritchie46

Related issues:

• [Rust] Make string comparisson kernels generic over Utf8 and LargeUtf8 (duplicates)

_{Note: This issue was originally created as ARROW-11429. Please see the migration documentation for further details.}