message: Support for workflows
diff: @@ -6,6 +6,6 @@ if [[ "$KOKORO_BUILD_ID" ]]; then
  fi
  if [[ "GITHUB_WORKFLOW" ]]; then
  - echo "Running job GITHUB_ACTION in workflow $GITHUB_WORKFLOW"
  - TARGET=`echo "$GITHUB_ACTION" | awk -F "-" '{print $NF}'`
  + echo "Running job $WORKFLOW_OS in workflow $GITHUB_WORKFLOW"
  + TARGET=$WORKFLOW_OS
  fi
  