ci: Fix release_sources job: undefined need: build_ux900_flash

Signed-off-by: Huaqi Fang <578567190@qq.com>

Author: fanghuaqi

.gitlab-ci.yml

@@ -317,7 +317,7 @@ release_sources:
     extends: .job_rules
     stage: build
     needs:
-        - job: build_ux900_flash
+        - job: build_ux900_sd
     script:
         - activate_swdev
         - make snapshot