Fix vllm hpu to a stable release (#1398)

Signed-off-by: Xinyao Wang <xinyao.wang@intel.com>

Author: XinyaoWa

.github/workflows/_example-workflow.yml

@@ -79,6 +79,7 @@ jobs:
           fi
           if [[ $(grep -c "vllm-gaudi:" ${docker_compose_path}) != 0 ]]; then
                git clone https://github.com/HabanaAI/vllm-fork.git
+               cd vllm-fork && git checkout v0.6.4.post2+Gaudi-1.19.0 && cd ../
           fi
           git clone https://github.com/opea-project/GenAIComps.git
           cd GenAIComps && git checkout ${{ inputs.opea_branch }} && git rev-parse HEAD && cd ../

ChatQnA/tests/test_compose_vllm_on_gaudi.sh

@@ -17,7 +17,7 @@ ip_address=$(hostname -I | awk '{print $1}')
 function build_docker_images() {
     cd $WORKPATH/docker_image_build
     git clone https://github.com/opea-project/GenAIComps.git && cd GenAIComps && git checkout "${opea_branch:-"main"}" && cd ../
-    git clone https://github.com/HabanaAI/vllm-fork.git
+    git clone https://github.com/HabanaAI/vllm-fork.git && cd vllm-fork && git checkout v0.6.4.post2+Gaudi-1.19.0 && cd ../
 
     echo "Build all the images with --no-cache, check docker_image_build.log for details..."
     service_list="chatqna chatqna-ui dataprep-redis retriever vllm-gaudi nginx"