Trigger release for bump in pyarrow version

[jmahlik]

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Could there be a release triggered including the changes in #670 ? We'd like to bump pyarrow to 4.0 but are currently blocked by the wrangler constraints on pyarrow.

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Trigger a release of main?

P.S. Don't attach files. Please, prefer add code snippets directly in the message body.

[jaidisido]

Release 2.8.0 is scheduled for early next week.