[TEST]Update nightly acc test standard (#4032)

### What this PR does / why we need it?
This PR updates the acc test standard for some cases, we need it to
better maintain acc

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
by running the test

- vLLM version: v0.11.0
- vLLM main:
83f478bb19

Signed-off-by: jiangyunfan1 <jiangyunfan1@h-partners.com>

tests/e2e/nightly/models/test_qwen2_5_vl_32b.py

@@ -45,7 +45,7 @@ aisbench_cases = [{
     "dataset_conf": "textvqa/textvqa_gen_base64",
     "max_out_len": 2048,
     "batch_size": 128,
-    "baseline": 76,
+    "baseline": 76.22,
     "temperature": 0,
     "top_k": -1,
     "top_p": 1,