v3.29.0

What's Changed

• Add native asyncio cursor support (Phase 1) by @laughingman7743 in #666
• Add native asyncio specialized cursors and DRY refactors (Phase 2) by @laughingman7743 in #667
• Add native asyncio S3FS and Spark cursors with boilerplate deduplication (Phase 3) by @laughingman7743 in #668
• Add documentation for native asyncio cursors by @laughingman7743 in #671
• Wrap fetch methods in asyncio.to_thread for aio pandas/arrow/polars cursors by @laughingman7743 in #674
• Extract shared boilerplate from sync cursors into WithFetch mixin by @laughingman7743 in #676
• Extract _prepare_unload() helper into BaseCursor by @laughingman7743 in #678

Full Changelog: v3.28.0...v3.29.0