v2.0.4

Full Changelog: v2.0.3...v2.0.4

Remove Graphviz Dependency

Removes Graphviz dependency throughout project.

Better Installation

Fixes pyproject.toml to support platform-dependent installation.

Minor Update: Windows Support

Adds better support for windows by making wfcommons dependency optional

SAGA 2.0

This is a major release that introduces Pydantic v2 data models, stochastic scheduling support, and modernized CI/CD infrastructure. The codebase has been significantly refactored for better type safety, validation, and maintainability.