[Rust] CSV writer performance improvements

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

PRs and other links:

• GitHub Pull Request #9010

_{Note: This issue was originally created as ARROW-11033. Please see the migration documentation for further details.}

[asfimport]

Andrew Lamb / @alamb:
@alamb alamb closed this in 8965b59 now