Update Adafruit IO SSL Fingerprint

Author: jwcooper

examples/adafruitio_secure_esp8266/adafruitio_secure_esp8266.ino

@@ -41,7 +41,7 @@ WiFiClientSecure client;
 Adafruit_MQTT_Client mqtt(&client, AIO_SERVER, AIO_SERVERPORT, AIO_USERNAME, AIO_KEY);
 
 // io.adafruit.com SHA1 fingerprint
-const char* fingerprint = "26 96 1C 2A 51 07 FD 15 80 96 93 AE F7 32 CE B9 0D 01 55 C4";
+const char* fingerprint = "AD 4B 64 B3 67 40 B5 FC 0E 51 9B BD 25 E9 7F 88 B6 2A A3 5B";
 
 /****************************** Feeds ***************************************/