Update GPU memory utilization in qwen3_omni.yaml from 0.6 to 0.45 to prevent out-of-memory errors during model execution.

Signed-off-by: tzhouam <tzhouam@connect.ust.hk>

tests/perf/stage_configs/qwen3_omni.yaml

@@ -47,7 +47,7 @@ stage_args:
       model_arch: Qwen3OmniMoeForConditionalGeneration
       worker_type: ar
       scheduler_cls: vllm_omni.core.sched.omni_ar_scheduler.OmniARScheduler
-      gpu_memory_utilization: 0.6
+      gpu_memory_utilization: 0.45
       enforce_eager: false
       trust_remote_code: true
       engine_output_type: latent  # Output codec codes for code2wav