Essentials purifier: use standardized name for UV sterlization.

All other devices with this function are using "UV sterlization" as the name,
only this one was using disinfection.

custom_components/tuya_local/devices/essentials_purifier.yaml

@@ -46,7 +46,7 @@ secondary_entities:
             value: "Off"
             icon: "mdi:lightbulb-outline"
   - entity: switch
-    name: UV disinfection
+    name: UV sterilization
     category: config
     dps:
       - id: 9