[Model] Add qwen3Next support in Main (#4596)

### What this PR does / why we need it?
Add Qwen3Next support in main

### Does this PR introduce _any_ user-facing change?

### How was this patch tested?

- vLLM version: v0.11.2
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.2

---------

Signed-off-by: SunnyLee219 <3294305115@qq.com>

vllm_ascend/ops/triton/mamba/casual_conv1d.py

@@ -7,7 +7,7 @@
 # and https://github.com/vllm-project/vllm/blob/main/vllm/model_executor/layers/mamba/ops/causal_conv1d.py
 # mypy: ignore-errors
 
-from typing import Optional, Union
+from typing import Any, Optional, Union
 
 import torch
 import torch.nn.functional as F
@@ -72,6 +72,7 @@ def causal_conv1d_fn(
     conv_states: Optional[torch.Tensor] = None,
     activation: Optional[str] = "silu",
     pad_slot_id: int = PAD_SLOT_ID,
+    metadata: Optional[Any] = None,
 ):
     """
     x: (batch, dim, seqlen) or (dim,cu_seq_len) for varlen