v39.0.0-cx26

What's Changed

• Make aggregates::group_values module public for use in dedup operator by @dispanser in #270
• Ignore writer shutdown error by @fsdvh in #271
• Add CoalescePartitionsExec by @avantgardnerio in #272
• Cherry pick upstream fix by @avantgardnerio in #274
• Ensure that math functions fulfil the ColumnarValue contract by @joroKr21 in #275

New Contributors

• @dispanser made their first contribution in #270
• @fsdvh made their first contribution in #271

Full Changelog: v39.0.0-cx22...v39.0.0-cx26