misc/py-litellm: update to 1.27.1

Changelog:

• https://github.com/BerriAI/litellm/releases/tag/v1.26.0
• https://github.com/BerriAI/litellm/releases/tag/v1.26.1
• https://github.com/BerriAI/litellm/releases/tag/v1.26.2
• https://github.com/BerriAI/litellm/releases/tag/v1.26.3
• https://github.com/BerriAI/litellm/releases/tag/v1.26.4
• https://github.com/BerriAI/litellm/releases/tag/v1.26.5
• https://github.com/BerriAI/litellm/releases/tag/v1.26.6
• https://github.com/BerriAI/litellm/releases/tag/v1.26.7
• https://github.com/BerriAI/litellm/releases/tag/v1.26.8
• https://github.com/BerriAI/litellm/releases/tag/v1.26.9
• https://github.com/BerriAI/litellm/releases/tag/v1.26.10
• https://github.com/BerriAI/litellm/releases/tag/v1.26.11
• https://github.com/BerriAI/litellm/releases/tag/v1.26.13
• https://github.com/BerriAI/litellm/releases/tag/v1.27.1

Reported by: portscout