Zkfriendly/zk 1053 swap modal prover in email tx builder with gpu prover

[zkfriendly]

Description

This PR integrates GPU-based proving API call and updates the prover configuration structure. The main changes include:

1. Updated dependencies:

   • Switched to GPU-enabled branch of relayer-utils - will switch to main branch once merged with main

2. Enhanced prover configuration:

   • Replaced single prover_url with comprehensive ProverConfig struct
   • Added new configuration fields for blueprint ID, zkey downloads, and API key

3. Updated proving mechanism:

   • Switched from generate_proof to generate_proof_gpu
   • Adjusted new parameter passing for GPU-based proving

4. Documentation updates:

   • Added blueprint ID and download URLs to circuits README
   • Updated configuration documentation

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules