This cl:
1- Updates the demos to use RZ as the model, sets up their system message, and variable length
2- Updates the requirements in pyproject.toml, freezes them at upgraded versions for reproducibility purposes., requirements.txt is already updated with the same version in https://github.com/castorini/rank_llm/pull/44
This cl: 1- Updates the demos to use RZ as the model, sets up their system message, and variable length 2- Updates the requirements in pyproject.toml, freezes them at upgraded versions for reproducibility purposes., requirements.txt is already updated with the same version in https://github.com/castorini/rank_llm/pull/44