[CLD-878-support-later-version]

*Why:
 The gem previously supported versions up to 2018 but later versions were not supported

*How:
 Updated the netsuite savon config to set the wsdl and the endpoint level

[CLD-878]

lib/netsuite/configuration.rb

@@ -27,6 +27,7 @@ def connection(params={}, credentials={})
         log_level: log_level,
         log: !silent, # turn off logging entirely if configured
       }.update(params))
+      client.wsdl.endpoint = client.wsdl.endpoint.to_s.sub('//webservices.netsuite.com/', "//#{wsdl_domain}/")
       cache_wsdl(client)
       return client
     end