[Bugfix] Fix the issue where no exception is thrown when graph capture fails. (#5644)

### What this PR does / why we need it?

Fix the issue where no exception is thrown when graph capture fails.


- vLLM version: v0.13.0
- vLLM main:
2f4e6548ef

Signed-off-by: WithHades <244036962@qq.com>

vllm_ascend/worker/model_runner_v1.py

@@ -3225,6 +3225,8 @@ def _replace_gpu_model_runner_function_wrapper(target_module_name):
         target_module = sys.modules[target_module_name]
         setattr(target_module, "graph_capture", graph_capture)  # noqa: B010
         yield
+    except Exception as e:
+        raise RuntimeError(f"NPUModelRunner failed, error is {e}")
     finally:
         setattr(target_module, "graph_capture", graph_capture)  # noqa: B010