update reference accuracy

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

Author: kris1025

tests/integration/defs/accuracy/references/mmlu.yaml

@@ -235,11 +235,11 @@ Qwen3/Qwen3-235B-A22B:
     accuracy: 86
   - quant_algo: NVFP4
     kv_cache_quant_algo: FP8
-    accuracy: 86
+    accuracy: 85.5
   - spec_dec_algo: Eagle
     quant_algo: NVFP4
     kv_cache_quant_algo: FP8
-    accuracy: 86
+    accuracy: 85.5
 Qwen3/Qwen3-Next-80B-A3B-Thinking:
   - accuracy: 86
 Qwen3/Qwen3-Next-80B-A3B-Instruct: