Fix QTFV3-3 humidity scaling (#5629)

custom_components/tuya_local/devices/qtfv3_3_airquality.yaml

@@ -42,6 +42,8 @@ entities:
         name: sensor
         unit: "%"
         class: measurement
+        mapping:
+          - scale: 10
   - entity: sensor
     class: carbon_dioxide
     dps: