Imagen support for Google vertex

[Godrules500]

Feature Description

I wanted to put a request in here for imagen support in google vertex.
https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/imagen-api

Use Cases

Generating Images - Generating images from a text prompt.
Editing Images - Use text prompts and a mask to modify your image's appearance
Upload Image - After you generate watermarked images, you can verify the digital watermark of the novel images.

Additional context

No response