fix(ci): repair release gate runtime failures

backend/app/services/mdk_bathymetry_probe_service.py

@@ -6,11 +6,12 @@ import ssl
 from typing import Any, Callable
 from urllib.error import HTTPError, URLError
 from urllib.parse import parse_qsl, urlencode, urlsplit, urlunsplit
-from urllib.request import Request, urlopen
+from urllib.request import Request
 from xml.etree import ElementTree
 
 from app.core.config import Settings, get_settings
 from app.schemas.bathymetry import BathymetrySourceProbeRead
+from app.services.outbound_request_guard import guarded_opener
 
 
 class MdkBathymetryProbeService: