[Feat]upgrade vllm version [skip-ci] (#4022)

Signed-off-by: rongfu.leng <lenronfu@gmail.com>
Co-authored-by: tzhouam <tzhouam@connect.ust.hk>
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

docker/Dockerfile.xpu

@@ -88,7 +88,7 @@ ENV UV_EXTRA_INDEX_URL=${PIP_EXTRA_INDEX_URL}
 ENV UV_INDEX_STRATEGY="unsafe-best-match"
 ENV UV_LINK_MODE="copy"
 
-ARG VLLM_VERSION=v0.21.0
+ARG VLLM_VERSION=v0.22.0
 RUN git clone -b ${VLLM_VERSION} https://github.com/vllm-project/vllm
 WORKDIR /workspace/vllm