[Rust][DataFusion] Support specifying repartitions in MemTable

[asfimport]

Reporter: Daniël Heres / @Dandandan
Assignee: Daniël Heres / @Dandandan

PRs and other links:

• GitHub Pull Request #9214

_{Note: This issue was originally created as ARROW-11268. Please see the migration documentation for further details.}

[asfimport]

Jorge Leitão / @jorgecarleitao:
Issue resolved by pull request 9214
#9214