LeRobot v0.6.0: Imagine, Evaluate, Improve

LeRobot v0.6.0 is a robotics software update introducing advanced world model policies that enable robots to anticipate future scenarios, alongside new vision-language-action models and reward model APIs to assess robotic success. The release also includes six new simulation benchmarks, improved dataset handling with depth support and language annotations, enhanced training capabilities including cloud support, and a streamlined codebase with deployment tools for human-in-the-loop corrections.