[CI] Update UT CANN version to 8.5.0 for main branch (#6564)

### What this PR does / why we need it?
Update UT CANN version to 8.5.0

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


- vLLM version: v0.15.0
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.15.0

---------

Signed-off-by: leo-pony <nengjunma@outlook.com>

tests/ut/test_utils.py

@@ -18,6 +18,7 @@ import os
 from threading import Lock
 from unittest import mock
 
+import pytest
 import torch
 from vllm.config import (CompilationConfig, ModelConfig, ParallelConfig,
                          VllmConfig)
@@ -104,6 +105,8 @@ class TestUtils(TestBase):
         output_tensor = utils.aligned_16(input_tensor)
         self.assertEqual(output_tensor.shape[0], 32)
 
+    @pytest.mark.skip(
+        "Skip as register_kernels has NPU SocName checking in CANN 8.5.0.")
     def test_enable_custom_op(self):
         result = utils.enable_custom_op()
         self.assertTrue(result)