deps: bump iceberg-rust to latest after picking up fixes for #3856 and #3860#3958
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mbutrovich merged 1 commit intoapache:mainfrom Apr 16, 2026
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…apache#3860. Add regression tests.
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Which issue does this PR close?
Closes #3856.
Closes #3860.
Rationale for this change
Two bugs in iceberg-rust were causing incorrect results and errors in Comet's native Iceberg scan:
PredicateConvertermapped incorrect Parquet leaf column indices for migrated tables containing nested types (struct/array/map), causing "column isn't a root column" errors when filter predicates were pushed down.Both were fixed upstream in iceberg-rust (#2301, #2307).
What changes are included in this PR?
icebergandiceberg-storage-opendaldependencies to iceberg-rust commita2f067dwhich includes both fixes.CometIcebergNativeSuite.How are these changes tested?
migration - INT96 timestamp: writes Parquet with INT96 timestamps (flat, struct, array, map) using dates outside the nanosecond range, imports into Iceberg, and verifies Comet reads match Spark/raw Parquet.filter with nested types in migrated table: creates a migrated table with struct/array/map columns and a trailing flat column, then verifies filter predicates on that flat column work correctly.