[Rust] [DataFusion] Inconsistent use of Box and Arc for TableProvider

[asfimport]

The API inconsistently uses Box and Arc – we should standardize on Arc

Reporter: Andrew Lamb / @alamb
Assignee: Andrew Lamb / @alamb

PRs and other links:

• GitHub Pull Request #9487

_{Note: This issue was originally created as ARROW-11620. Please see the migration documentation for further details.}

[asfimport]

Jorge Leitão / @jorgecarleitao:
Issue resolved by pull request 9487
#9487