Using a dedicated egress for port 80 or 443

[alisonasanchez]

Issue in ./help/cloud-service/networking/dedicated-egress-ip-address.md

In this text: https://experienceleague.adobe.com/en/docs/experience-manager-learn/cloud-service/networking/dedicated-egress-ip-address#:~:text=No%20additional%20code%20or%20configuration%20is%20required%20to%20support%20HTTP/HTTPS%20connections.

It is not necessarily true that no configuration or code is required. In order for HTTP/S connections to use the dedicated IP address, the following must also be true:

1. Advanced networking must be enabled on the environment
2. The code making the HTTP/S connection must use the system defined proxies.

A sample code or a link to sample code where the http/s connection is made properly should be provided.