fix(eshico_hct622_watertimer): use schedule class not timer for text

custom_components/tuya_local/devices/eshico_hct622_watertimer.yaml

@@ -36,7 +36,7 @@ entities:
         name: value
   - entity: text
     name: Cycle timer
-    translation_key: timer
+    translation_key: schedule
     category: config
     hidden: true
     dps: