Change ipconfig.io provider to ifconfig.sh

That's the canonical name of the service, apparently.

Author: jasontbradshaw

providers.json

@@ -4,10 +4,10 @@
     "http://curlmyip.com",
     "http://fmbip.com",
     "http://ifconfig.me",
+    "http://ifconfig.sh",
     "http://ip-api.com/csv",
     "http://ipchicken.com",
     "http://ipinfo.io/ip",
-    "http://ipconfig.io",
     "http://ventrilo.com/myip.php",
     "http://whatsmyip.net",
     "http://www.givememyip.com",