Update integration tests to use latest API version

Author: AshleyPoole

SSLLabsApiWrapper.IntegrationTests/App.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <configuration>
 	<appSettings>
-		<add key="ApiUrl" value="https://api.dev.ssllabs.com/api/fa78d5a4/"/>
+		<add key="ApiUrl" value="https://api.ssllabs.com/api/v2/"/>
 		<add key="EndpointHost" value="https://www.ashleypoole.co.uk"/>
 		<add key="EndpointIP" value="104.28.6.2"/>
 	</appSettings>