Elspet: missed naming convention change

custom_components/tuya_local/devices/elspet_cat_litterbox.yaml

@@ -224,7 +224,7 @@ secondary_entities:
             icon: "mdi:tray"
             value: Empty
   - entity: button
-    name: Reset Litter
+    name: Reset litter
     icon: "mdi:delete-empty"
     category: config
     dps: