Complete bugfix for Kogan dehumidifier medium fan speed.

The previous change only modified the humidifier platform. The fan platform
needs the same change.

custom_components/tuya_local/devices/kogan_dehumidifier.yaml

@@ -66,7 +66,7 @@ secondary_entities:
         mapping:
           - dps_val: low
             value: 33.3
-          - dps_val: medium
+          - dps_val: middle
             value: 66.7
           - dps_val: high
             value: 100