Refresh cache when model was submitted

backend/app/services/models.py

@@ -561,6 +561,8 @@ class ModelService(HuggingFaceService):
             logger.error(LogFormatter.error("Failed to record vote", e))
             # Don't raise here as the main submission was successful
 
+        await self._refresh_models_cache()
+
         return {
             "status": "success",
             "message": "The model was submitted successfully, and the vote has been recorded"