docs: update Prompts api keys note about whitelisting IP ranges (#8048)

Author: shereezhang

docs/source/guide/prompts_keys.md

@@ -23,8 +23,13 @@ There are two approaches to adding a model provider API key.
 * In the second scenario, you add a separate API key per model. Examples include:
 
     * Azure OpenAI
+    * Azure AI Foundry
     * Custom
 
+!!! note
+        If you are restricting network access to your resource, you may need to whitelist HumanSignal IP addresses ([IP ranges on SaaS](saas#Outbound-Connections-IP-Addresses)) when configuring network security.
+
+
 Once a model is added via the API key, anyone in the organization who has access to the Prompts feature can select the associated models when executing their prompt. 
 
 You can see what API keys you have and add new ones by clicking **API Keys** in the top right of the Prompts page to open the **Model Provider API Keys** window:
@@ -77,12 +82,6 @@ To use Azure OpenAI, you must first create the Azure OpenAI resource and then a
 
 1. From the Azure portal, [create an Azure OpenAI resource](https://learn.microsoft.com/en-us/azure/ai-services/openai/how-to/create-resource?pivots=web-portal#create-a-resource). 
 
-!!! note
-    If you are restricting network access to your resource, you will need to add the following IP addresses when configuring network security:
-    
-    * 3.219.3.197
-    * 34.237.73.3
-    * 44.216.17.242
 
 2. From Azure OpenAI Studio, [create a deployment](https://learn.microsoft.com/en-us/azure/ai-services/openai/how-to/create-resource?pivots=web-portal#deploy-a-model). This is a base model endpoint.