Fix CI failure of TypeError: RotaryEmbedding.forward_cpu() got an unexpected...

Fix CI failure of TypeError: RotaryEmbedding.forward_cpu() got an unexpected keyword argument 'fused_set_kv_buffer_arg' (#11009)

python/sglang/srt/layers/rotary_embedding.py

@@ -206,6 +206,7 @@ class RotaryEmbedding(CustomOp):
         query: torch.Tensor,
         key: torch.Tensor,
         offsets: Optional[torch.Tensor] = None,
+        fused_set_kv_buffer_arg=None,
     ) -> Tuple[torch.Tensor, torch.Tensor]:
         positions = torch.add(positions, offsets) if offsets is not None else positions
         if _is_cpu_amx_available: