message: fix: add promote
diff: @@ -21,6 +21,8 @@ set +x
  # check if a specific override has been defined in the api
  case "$BUILD_TYPE" in
  + promote)
  + ;;
  branch)
  if [ "${ENVIRONMENT_TYPE}" == "development" ]; then
  # check if the API defined variable LAGOON_BACKUP_DEV_RETENTION contains what is needed
  @@ -97,6 +99,8 @@ fi
  # check if a specific override has been defined in the api
  case "$BUILD_TYPE" in
  + promote)
  + ;;
  branch)
  if [ "${ENVIRONMENT_TYPE}" == "development" ]; then
  # check if the API defined variable LAGOON_BACKUP_DEV_SCHEDULE contains what is needed
  