Revert to 1800 seconds as explained here : zigpy#3926 (comment)

Author: mguaylam

zhaquirks/thirdreality/watering_kit.py

@@ -37,7 +37,7 @@ class AttributeDefs(BaseAttributeDefs):
     .number(
         attribute_name=ThirdRealityWateringKitCluster.AttributeDefs.water_duration.name,
         min_value=10,
-        max_value=7200,
+        max_value=1800,
         step=10,
         device_class=NumberDeviceClass.DURATION,
         unit=UnitOfTime.SECONDS,