[Bugfix] Fix missing placeholder in logger debug (#21280)

Signed-off-by: DarkLight1337 <[email protected]>

Author: DarkLight1337

vllm/transformers_utils/configs/mistral.py

@@ -42,7 +42,7 @@ def adapt_config_dict(config_dict: dict[str, Any],
 
     config = PretrainedConfig.from_dict(config_dict)
 
-    logger.debug("Initialized config", config)
+    logger.debug("Initialized config %s", config)
 
     return config