* add opentelemetry tracing into ChatQnA workflow Signed-off-by: Louie, Tsai <louie.tsai@intel.com> Signed-off-by: louie-tsai <louie.tsai@intel.com> * handle stream/non-stream tracing Signed-off-by: louie-tsai <louie.tsai@intel.com> * pre-commit fix Signed-off-by: louie-tsai <louie.tsai@intel.com> * add a tag for async llm microservice execute Signed-off-by: louie-tsai <louie.tsai@intel.com> * add oltp tracing for retriever Signed-off-by: louie-tsai <louie.tsai@intel.com> * fix CI issue Signed-off-by: louie-tsai <louie.tsai@intel.com> --------- Signed-off-by: Louie, Tsai <louie.tsai@intel.com> Signed-off-by: louie-tsai <louie.tsai@intel.com> Co-authored-by: Spycsh <sihan.chen@intel.com>