### 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>