feat(genapi): update qwen3 235b context size

Author: fpagny

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

@@ -15,7 +15,7 @@ Our API supports the most popular models for [Chat](/generative-apis/how-to/quer
 
 | Provider | Model string | Context window (Tokens) | Maximum output (Tokens)| License | Model card |
 |-----------------|-----------------|-----------------|-----------------|-----------------|-----------------|
-| Google (Preview)   | `gemma-3-27b-it`  | 40k  | 8192 | [Gemma](https://ai.google.dev/gemma/terms) | [HF](https://huggingface.co/google/gemma-3-27b-it) |
+| Google (Preview)   | `gemma-3-27b-it`  | 260k  | 8192 | [Gemma](https://ai.google.dev/gemma/terms) | [HF](https://huggingface.co/google/gemma-3-27b-it) |
 | Mistral | `mistral-small-3.2-24b-instruct-2506`  | 128k  | 8192 | [Apache-2.0](https://www.apache.org/licenses/LICENSE-2.0) | [HF](https://huggingface.co/mistralai/Mistral-Small-3.2-24B-Instruct-2506) |
 
 ### Chat and Audio models