feat: add bgp observability and admin ui improvements

backend/app/services/collectors/arcgis_cables.py

@@ -5,7 +5,7 @@ Collects submarine cable data from ArcGIS GeoJSON API.
 
 import json
 from typing import Dict, Any, List
-from datetime import datetime
+from datetime import UTC, datetime
 import httpx
 
 from app.services.collectors.base import BaseCollector
@@ -84,7 +84,7 @@ class ArcGISCableCollector(BaseCollector):
                         "color": props.get("color"),
                         "route_coordinates": route_coordinates,
                     },
-                    "reference_date": datetime.utcnow().strftime("%Y-%m-%d"),
+                    "reference_date": datetime.now(UTC).strftime("%Y-%m-%d"),
                 }
                 result.append(entry)
             except (ValueError, TypeError, KeyError):