misc/py-litellm: Update to 1.96.0

Changelog:

• https://github.com/BerriAI/litellm/releases/tag/v1.92.1
• https://github.com/BerriAI/litellm/releases/tag/v1.93.0
• https://github.com/BerriAI/litellm/releases/tag/v1.93.1
• https://github.com/BerriAI/litellm/releases/tag/v1.94.0
• https://github.com/BerriAI/litellm/releases/tag/v1.94.1
• https://github.com/BerriAI/litellm/releases/tag/v1.95.0

Reported by: portscout