Kogan dehumidifier: add dessicant product details.

Issue #2964

custom_components/tuya_local/devices/kogan_dehumidifier.yaml

@@ -1,4 +1,8 @@
-name: Kogan dehumidifier
+name: Dehumidifier
+products:
+  - id: ulyg4agor5ftpfku
+    manufacturer: Kogan
+    model: Desiccant
 entities:
   - entity: humidifier
     class: dehumidifier