fix(genapi): bge-multilingual-gemma2 context window

Author: fpagny

pages/generative-apis/reference-content/supported-models.mdx

@@ -63,7 +63,7 @@ Our [Embeddings API](/generative-apis/how-to/query-embedding-models) provides bu
 
 | Provider | Model string | Model size | Embedding dimension | Context window |  License | Model card |
 |-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|
-| BAAI        | `bge-multilingual-gemma2`  | 9B  | 3584 | 4096 | [Gemma](https://ai.google.dev/gemma/terms) | [HF](https://huggingface.co/BAAI/bge-multilingual-gemma2) |
+| BAAI        | `bge-multilingual-gemma2`  | 9B  | 3584 | 8192 | [Gemma](https://ai.google.dev/gemma/terms) | [HF](https://huggingface.co/BAAI/bge-multilingual-gemma2) |
 
 ## Request a model