[hue] fix TemperatureSensorTemperature example item (openhab#7892)

TemperatureSensorTemperature hue channel definition missing :1 after hue:0302 in the full example.  The item therefore didn't report the temperature and even after fixing it still did not work until I renamed the item.

Signed-off-by: Daan Meijer <[email protected]>

bundles/org.openhab.binding.hue/README.md

@@ -300,7 +300,7 @@ Number   MotionSensorBatteryLevel { channel="hue:0107:1:motion-sensor:battery_le
 Switch   MotionSensorLowBattery   { channel="hue:0107:1:motion-sensor:battery_low" }
 
 // Temperature Sensor
-Number:Temperature TemperatureSensorTemperature { channel="hue:0302:temperature-sensor:temperature" }
+Number:Temperature TemperatureSensorTemperature { channel="hue:0302:1:temperature-sensor:temperature" }
 ```
 
 Note: The bridge ID is in this example **1** but can be different in each system.