Generate XDR for Protocol 23 and support the new proof field.

[Shaptic]

State Archival Platform Work: JavaScript XDR

Epic: stellar/soroban-rpc#267 General Overview: design document References: Platform's issues for Protocol 23: projects/37#31

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There are a few work items here:

• [ ] Generate the XDR definitions for Protocol 23
• [ ] Extend SorobanDataBuilder to support the new proofs.
• [ ] Extend the TypeScript definitions accordingly.