fix(example): Lower the delay for sleepy device

Author: P-R-O-C-H-Y

libraries/Zigbee/examples/Zigbee_Temp_Hum_Sensor_Sleepy/Zigbee_Temp_Hum_Sensor_Sleepy.ino

@@ -114,8 +114,8 @@ void setup() {
  Serial.println();
  Serial.println("Successfully connected to Zigbee network");
 
- // Delay 5s (may be adjusted) to allow establishing proper connection with coordinator, needed for sleepy devices
- delay(5000);
+ // Delay approx 1s (may be adjusted) to allow establishing proper connection with coordinator, needed for sleepy devices
+ delay(1000);
 }
 
 void loop() {