Enhance Cardano transaction proof generation throughput

[jpraynaud]

Content

This PR includes some experimental optimizations of the Cardano transactions proof generation in order to enhance the throughput.

Pre-submit checklist

• Branch
  • Tests are provided (if possible)
  • Crates versions are updated (if relevant)
  • CHANGELOG file is updated (if relevant)
  • Commit sequence broadly makes sense
  • Key commits have useful messages
• PR
  • No clippy warnings in the CI
  • Self-reviewed the diff
  • Useful pull request description
  • Reviewer requested
• Documentation
  • Update README file (if relevant)
  • Update documentation website (if relevant)
  • Add dev blog post (if relevant)

Comments

⚠️ This PR should not be merged as it is intended for experimentation only

Issue(s)

Relates to #1687

[github-actions]

Test Results

    4 files  ±0     53 suites  ±0   9m 39s ⏱️ ±0s
1 252 tests ±0  1 252 ✅ ±0  0 💤 ±0  0 ❌ ±0 
1 463 runs  ±0  1 463 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 86b9d5f. ± Comparison against base commit 9fd9ae8.

♻️ This comment has been updated with latest results.