Support catalog table rename

[osipovartem]

Summary

• expose table rename through the Iceberg Catalog trait with an explicit unsupported default
• call the atomic Iceberg REST tables/rename endpoint for Horizon-compatible catalogs
• support process-local rename in the in-memory file catalog used by Rustice compatibility tests
• preserve fresh metadata resolution after a process-local rename, including external commits and position deletes
• reject rename for persistent file/S3 catalogs rather than report a false success

Validation

• cargo +1.94.0 test -p iceberg-file-catalog rename_table_in_memory_moves_catalog_identity --offline
• cargo +1.94.0 check -p iceberg-rest-catalog --offline
• cargo +1.94.0 clippy -p iceberg-file-catalog -p iceberg-rest-catalog --all-targets --offline -- -D warnings
• Rustice cargo +1.94.0 test -p executor --lib --offline: 473 passed, including external_position_delete_then_rustice_insert_and_merge

The complete file-catalog lib suite also ran 11 non-container tests successfully; its existing LocalStack test could not start locally because Docker was unavailable.