Update build.yaml and compose_vllm.yaml because of refactoring of GenAIComps. Fix issue left by https://github.com/opea-project/GenAIExamples/pull/1353
Signed-off-by: JoshuaL3000 <joshua.jian.ern.liew@intel.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>