fix(kogan_lx10_vacuum): correct units for current and total clean time

custom_components/tuya_local/devices/kogan_lx10_vacuum.yaml

@@ -144,7 +144,7 @@ secondary_entities:
       - id: 107
         name: sensor
         type: integer
-        unit: min
+        unit: s
   - entity: sensor
     name: Current clean area
     category: diagnostic
@@ -247,7 +247,7 @@ secondary_entities:
       - id: 116
         name: sensor
         type: integer
-        unit: min
+        unit: s
   - entity: sensor
     name: Total clean area
     category: diagnostic