Update of fingerprint

fix FirebaseExtended#506

Author: mival

src/FirebaseHttpClient.h

@@ -40,6 +40,6 @@ class FirebaseHttpClient {
 };
 
 static const char kFirebaseFingerprint[] =
-      "03:D6:42:23:03:D1:0C:06:73:F7:E2:BD:29:47:13:C3:22:71:37:1B"; // 2020-02
+      "03:9E:4F:E6:83:FC:40:EF:FC:B2:C5:EF:36:0E:7C:3C:42:20:1B:8F"; // 2021-01
 
 #endif  // FIREBASE_HTTP_CLIENT_H