Add updated notebooks and exports for 2024.08 scenarios

[bgyori]

This PR adds new versions of the notebooks

• 6Mo Eval S2: https://github.com/gyorilab/mira/blob/main/notebooks/evaluation_2023.01/Scenario2.ipynb
• 12Mo Eval S1: https://github.com/gyorilab/mira/blob/main/notebooks/evaluation_2023.07/scenario1.ipynb
• 12Mo Eval S2: https://github.com/gyorilab/mira/blob/main/notebooks/evaluation_2023.07/scenario2.ipynb

with minor updates to model serialization and naming to support the current round of scenario testing.