v0.8.5: Incremental Index update, Index Compaction, and bug fixes

What's Changed

• chore: object write trait by @eddyxu in #1389
• refactor: fast path to find fragments for flat scan by @eddyxu in #1394
• refactor: move reader trait to lance-core by @eddyxu in #1393
• refactor: move pq to lance-index by @eddyxu in #1400
• refactor: make pq a batch transformer by @eddyxu in #1401
• feat: run pq portion of ivf_pq in parallel by @westonpace in #1386
• feat: generic shuffler over RecordBatchStream by @eddyxu in #1402
• feat: remap indices on compaction by @westonpace in #1403
• chore: remove unused crate by @eddyxu in #1405
• docs: make overwrite row green by @wjones127 in #1409
• feat: add removed_indices to CreateIndex transaction operation by @eddyxu in #1408
• feat(rust): incremental index update by @eddyxu in #1406
• feat(python): expose index optimization via python by @eddyxu in #1412
• test: add test case to ensure optimize returns to flat KNN by @westonpace in #1416
• fix: fix bug in index remapping when plan contained multiple rewrite groups by @westonpace in #1415
• chore: upgrade to datafusion 32 by @wjones127 in #1391
• ci: cross compile arm wheels by @wjones127 in #1407
• test: add new ann scenarios to the python benchmarks by @westonpace in #1411
• chore: instrument various steps in the ann search by @westonpace in #1404

Full Changelog: v0.8.4...v0.8.5