only download release branches

download-latest-firmware-build.py

@@ -44,7 +44,7 @@ def find_latest_pipeline_id():
 
     pipelines = pipelines_request.json()
     for pipeline in pipelines:
-        if pipeline["status"] == "success":
+        if pipeline["status"] == "success" and pipeline["ref"].startswith("v"):
             return pipeline["id"]
     return None