Update README.md

Author: Aaron617

README.md

@@ -145,6 +145,7 @@ Our vision is to revolutionize how AI agents collaborate to solve real-world tas
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+- **[2025.07.21]**: We open-sourced the training dataset and model checkpoints of OWL project.  [huggingface link](https://huggingface.co/collections/camel-ai/optimized-workforce-learning-682ef4ab498befb9426e6e27).
 - **[2025.05.27]**: We released the technical report of OWL, including more details on the workforce (framework) and optimized workforce learning (training methodology).  [paper](https://arxiv.org/abs/2505.23885).
 - **[2025.05.18]**: We open-sourced an initial version for replicating workforce experiment on GAIA [here](https://github.com/camel-ai/owl/tree/gaia69).
 - **[2025.04.18]**: We uploaded OWL's new GAIA benchmark score of **69.09%**, ranking #1 among open-source frameworks. Check the technical report [here](https://hypnotic-mind-6bd.notion.site/OWL-Optimized-Workforce-Learning-for-General-Multi-Agent-Assistance-in-Real-World-Task-Automation-1d4004aeb21380158749c7f84b20643f).