Iceberg Community Sync - Apr 17 2024

* Highlights
* REST catalog’s HTTP client supports proxy and timeout config (Thanks, Harish!)
* Fixed new FileIO method defaults (Thanks, Amogh!)
* PyIceberg: Support for writing to partitioned tables that use identity partitioning (Thanks Adrian!)
* Rust: Implement projection to perform partition based pruning (Thanks Scott!)
* PyIceberg: Adding metadata tables (Thanks (in advance) Gowthami, Andre, Drew, Kevin, Sung)
* Releases
* Java 1.5.1 Release
* Discussion
* Field and partition ID overlap in metadata tables and columns
* Migrating the community to the REST catalog protocol
* Spec V3 and 1.6/2.0 ?
* Iceberg Summit