Bugfix for Kogan dehumidifier medium fan speed.

The device uses "middle" rather than "medium".

custom_components/tuya_local/devices/kogan_dehumidifier.yaml

@@ -19,7 +19,7 @@ primary_entity:
       mapping:
         - dps_val: low
           value: Low
-        - dps_val: medium
+        - dps_val: middle
           value: Medium
         - dps_val: high
           value: High