[CI] Defaultly compile vllm with multimodal audio feature in dockerfile (#4324) (#4341)

### What this PR does / why we need it?
For better usability, add multimodal audio to vllm compiling in
dockerfile defaultly.

Image size will increase only 2.xM.

Signed-off-by: Ting FU <futing10@huawei.com>

Dockerfile.a3

@@ -40,7 +40,7 @@ ARG VLLM_REPO=https://github.com/vllm-project/vllm.git
 ARG VLLM_TAG=v0.11.0
 RUN git clone --depth 1 $VLLM_REPO --branch $VLLM_TAG /vllm-workspace/vllm
 # In x86, triton will be installed by vllm. But in Ascend, triton doesn't work correctly. we need to uninstall it.
-RUN VLLM_TARGET_DEVICE="empty" python3 -m pip install -v -e /vllm-workspace/vllm/ --extra-index https://download.pytorch.org/whl/cpu/ && \
+RUN VLLM_TARGET_DEVICE="empty" python3 -m pip install -v -e /vllm-workspace/vllm/[audio] --extra-index https://download.pytorch.org/whl/cpu/ && \
     python3 -m pip uninstall -y triton && \
     python3 -m pip cache purge