Shinco 30D: correct typo so secondary entities show

Issue #509

custom_components/tuya_local/devices/shinco_30d_dehumidifier.yaml

@@ -23,7 +23,7 @@ primary_entity:
     - id: 11
       type: bitfield
       name: fault_code
-secondary_entites:
+secondary_entities:
   - entity: fan
     dps:
       - id: 1