Filter job for auto_inject repo so system-tests specific jobs are excluded (#7284)

Author: nccatoni

utils/scripts/ci_orchestrators/external_gitlab_pipeline.py

@@ -70,21 +70,22 @@ def main(language: str | None = None) -> None:
     # Ensure 'variables' section exists and update with new values
     data.setdefault("variables", {}).update(new_variables)
 
-    if language and language in LANG_STAGES:
-        data = filter_yaml(data, language)
+    data = filter_yaml(data, language)
 
     handle_parallelism(data)
 
     # Print the modified YAML
     print(yaml.dump(data, default_flow_style=False, sort_keys=False))
 
 
-def is_allowed_stage(stage: str | None, language: str) -> bool:
+def is_allowed_stage(stage: str | None, language: str | None) -> bool:
     """Check if a stage is allowed based on the language."""
+    if not language or language not in LANG_STAGES:
+        return stage in LANG_STAGES or stage in {"configure", "pipeline-status"}
     return stage in {language, "configure", "pipeline-status"}
 
 
-def filter_yaml(yaml_data: dict, language: str) -> dict:
+def filter_yaml(yaml_data: dict, language: str | None) -> dict:
     """Filter the pipeline to run only the jobs for the specified language"""
 
     # Find all jobs where stage == language