Update tf_serving.dockerfile

Author: RodgerZhu

cczoo/tensorflow-serving-cluster/tensorflow-serving/docker/tf_serving_ccp/tf_serving.dockerfile

@@ -23,6 +23,7 @@ RUN mkdir -p  ${WORK_BASE_PATH}/ssl
 COPY models ${MODEL_BASE_PATH}
 COPY ssl_configure/ssl.cfg  ${WORK_BASE_PATH}
 COPY ssl ${WORK_BASE_PATH}/ssl
+COPY libsecret_prov_attest.so ${WORK_BASE_PATH}
 COPY tf_serving_entrypoint.sh /usr/bin
 
 RUN chmod +x /usr/bin/tf_serving_entrypoint.sh