Diffulex

fix: fix infinite iteration error caused by missing eos token

feat: Update pyproject.toml

feat: Add progress bar to request scheduling in DiffulexTPWorker

chore: Update Python version requirement to >=3.11 in pyproject.toml and add a blank line in scheduler.py for improved readability

refactor: Rerun pre-commit to format all the new code, remove output json files of engine testing