fix (beca_bhp6000_thermostat_mapped): target range should be integer

In theory, floating point numbers should be valid, but since there is only
one config violating this, stick with integers for now.

custom_components/tuya_local/devices/beca_bhp6000_thermostat_mapped.yaml

@@ -31,7 +31,7 @@ entities:
         mapping:
           - target_range:
               min: 5
-              max: 40.5
+              max: 41
       - id: 4
         name: preset_mode
         type: integer