- Change litellm==1.74.3 to litellm>=1.74.3 in pyproject.toml
- Update uv.lock with new dependency constraint
- Add comprehensive tests to verify minimum version constraint works
- Allows users to install newer litellm versions for features like Claude 4 Sonnet
Fixes#3207
Co-Authored-By: Jo\u00E3o <joao@crewai.com>