add cooling to get_cables api

netbox/dcim/models/devices.py

@@ -1191,7 +1191,8 @@ class Device(
         from .cables import Cable
         cable_pks = []
         for component_model in [
-            ConsolePort, ConsoleServerPort, PowerPort, PowerOutlet, Interface, FrontPort, RearPort
+            ConsolePort, ConsoleServerPort, PowerPort, PowerOutlet, CoolingPort, CoolingOutlet, Interface, FrontPort,
+            RearPort
         ]:
             cable_pks += component_model.objects.filter(
                 device=self, cable__isnull=False