[BFCL] Leaderboard Update, in sync with #557, #568, #569, #570, and #573 (Dataset Fix & New Model)

[HuanzhiMao]

This PR updates the leaderboard to reflect the changes in score due to the following PR merge:

• #557
• #568

and the addition of the following models:

• #569
• #570
• #573