feat(inference): update supported custom models (#5326)

Author: fpagny

pages/managed-inference/reference-content/supported-models.mdx

@@ -240,8 +240,10 @@ Several models have already been verified to work on Managed Inference custom mo
 <Accordion>
   ## Models verified for compatibility
   The following model compatibility has been verified:
+  * `HuggingFaceTB/SmolLM2-135M-Instruct`
   * `ibm-granite/granite-vision-3.2-2b`
   * `ibm-granite/granite-3.3-2b-instruct`
+  * `Linq-AI-Research/Linq-Embed-Mistral`
   * `microsoft/phi-4`
   * `nanonets/Nanonets-OCR-s`
   * `Qwen/Qwen3-32B`