In ".gitlab-ci.yml", use "when: manual" for ".template_scenario_files" and...

In ".gitlab-ci.yml", use "when: manual" for ".template_scenario_files" and ".template_seed_test" to make build pipeline more robust.

.gitlab-ci.yml

@@ -69,6 +69,8 @@ stages:
         paths:
             - "log_dir"
         expire_in: 1 week
+        
+    when: manual
 
 .template_seed_test:
     stage: integration_test
@@ -84,6 +86,8 @@ stages:
         paths: 
             - "Tools/ContinuousIntegration/run_seed_comparison_test.d/output"
         expire_in: 1 week
+        
+    when: manual
 
 .template_deploy_branch:
     stage: deploy