canbus: DSI alerts post as "Octavia"

Co-Authored-By: Claude Fable 5 <[email protected]>

canbus/ha/dsi_fault_alert.yaml

@@ -16,7 +16,7 @@ rest_command:
     method: POST
     content_type: "application/json; charset=utf-8"
     payload: >-
-      {"username": "Camper OneControl",
+      {"username": "Octavia",
        "content": {{ message | tojson }},
        "allowed_mentions": {"users": ["321798967669030912"]}}