get_integration_sources: check if CI is enabled

Trying to query CI variables on a project which does not have the CI feature enabled leads to an HTTP 403 (forbidden) error. Check whether CI is enabled using the "jobs_enabled" flag.

Fixes 746-001062.

scripts/get_integration_sources.py

@@ -27,7 +27,7 @@ def get_integration_sources(manifest_project: str, manifest_branch: str, group:
     for project in group.projects.list():
         try:
             project = gitlab.projects.get(project.id)
-            if not project.archived:
+            if not project.archived and project.jobs_enabled:
                 integrations = project.variables.get("INTEGRATION").value
                 for integration in integrations.splitlines():
                     if re.search(regex, integration):