Update ZC34T-03-3A_swing_arm_opener.yaml

added another missing "class: enum"

custom_components/tuya_local/devices/ZC34T-03-3A_swing_arm_opener.yaml

@@ -65,6 +65,7 @@ secondary_entities:
                      
   - entity: sensor
     name: Wind and Rain Feedback
+    class: enum
     dps:
       - id: 104
         type: string