#26615 [Feature]: Implement support for OpenAI `gpt-image-2`
### Check for existing issues
- [x] I have searched the existing issues and checked that my issue is not a duplicate.
### The Feature
Add support for OpenAI `gpt-image-2`:
https://developers.openai.com/api/docs/models/gpt-image-2
https://techcommunity.microsoft.com/blog/azure-ai-foundry-blog/introducing-openais-gpt-image-2-in-microsoft-foundry/4500571
### Motivation, pitch
Support for new model
### What part of LiteLLM is this about?
Proxy
### LiteLLM is hiring a founding backend engineer, are you interested in joining us and shipping to all our users?
No
### Twitter / LinkedIn details
_No response_