fix: Change softcap extraction error logging to warning level

Address gemini-code-assist feedback: use logger.warning instead of
logger.debug to alert users of potential GGUF metadata extraction issues.
Include model path in log message for easier debugging.

Signed-off-by: Christina Brundage <christina@katt.dev>
Signed-off-by: Christina <truffle@gmail.com>

Author: kitaekatt

vllm/transformers_utils/gguf_utils.py

@@ -256,7 +256,7 @@ def extract_softcap_from_gguf(model: str) -> dict[str, float]:
         return result
 
     except Exception as e:
-        logger.debug("Error extracting softcap from GGUF: %s", e)
+        logger.warning("Error extracting softcap from GGUF '%s': %s", model, e)
         return {}