TTEC Robipro: fix typo in mopping modes

custom_components/tuya_local/devices/ttec_reobipro_vacuum.yaml

@@ -229,7 +229,7 @@ secondary_entities:
             value: "off"
           - dps_val: low
             value: low
-          - dps_val: middle]
+          - dps_val: middle
             value: medium
           - dps_val: high
             value: high