(minor) Update documentation to reflect that a bug was fixed in InvokeAI/ip_adapter_sdxl_vit_h by https://huggingface.co/InvokeAI/ip_adapter_sdxl_vit_h/commit/e178288fb6fca1a64868ca1e8458722d4d27dbb5

Author: RyanJDick

invokeai/backend/ip_adapter/README.md

@@ -42,4 +42,4 @@ IP-Adapters:
 - [InvokeAI/ip_adapter_plus_sd15](https://huggingface.co/InvokeAI/ip_adapter_plus_sd15)
 - [InvokeAI/ip_adapter_plus_face_sd15](https://huggingface.co/InvokeAI/ip_adapter_plus_face_sd15)
 - [InvokeAI/ip_adapter_sdxl](https://huggingface.co/InvokeAI/ip_adapter_sdxl)
-- Not yet supported: [InvokeAI/ip_adapter_sdxl_vit_h](https://huggingface.co/InvokeAI/ip_adapter_sdxl_vit_h)
+- [InvokeAI/ip_adapter_sdxl_vit_h](https://huggingface.co/InvokeAI/ip_adapter_sdxl_vit_h)