misc/py-litellm: update to 1.34.25

Changelog:

• https://github.com/BerriAI/litellm/releases/tag/v1.34.8
• https://github.com/BerriAI/litellm/releases/tag/v1.34.8.dev1
• https://github.com/BerriAI/litellm/releases/tag/v1.34.10
• https://github.com/BerriAI/litellm/releases/tag/v1.34.12
• https://github.com/BerriAI/litellm/releases/tag/v1.34.13
• https://github.com/BerriAI/litellm/releases/tag/v1.34.14
• https://github.com/BerriAI/litellm/releases/tag/v1.34.16
• https://github.com/BerriAI/litellm/releases/tag/v1.34.17
• https://github.com/BerriAI/litellm/releases/tag/v1.34.18
• https://github.com/BerriAI/litellm/releases/tag/v1.34.19
• https://github.com/BerriAI/litellm/releases/tag/v1.34.20
• https://github.com/BerriAI/litellm/releases/tag/v1.34.21
• https://github.com/BerriAI/litellm/releases/tag/v1.34.22
• https://github.com/BerriAI/litellm/releases/tag/v1.34.23-stable
• https://github.com/BerriAI/litellm/releases/tag/v1.34.25