Benchmarks Update: Generation testing Scoring Rework

[jlarson4]

Description

The system is now sensitive to multilingual models, encoder-decoder models, code models, Chat models, etc. The goal is to improve the score of the generation test, to give a more accurate read of the models output

Type of change

• New feature (non-breaking change which adds functionality)

Checklist:

• 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
• I have not rewritten tests relating to key interfaces which would affect backward compatibility