Expose public ip in AmlComputeNodeInfo (#35965)

* expose public ip in aml compute node

AmlComputeNodeInfo should expose the attribute "public_ip_address", otherwise is not possible to connect through ssh with only the information provided in the class

* Update CHANGELOG.md

sdk/ml/azure-ai-ml/CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ### Features Added
 
+Expose `public_ip_address` in `AmlComputeNodeInfo`, to get the public ip address with the ssh port when calling `ml_client.compute.list_nodes`
+
 ### Bugs Fixed
 - InputTypes exported in constants module
 

sdk/ml/azure-ai-ml/azure/ai/ml/entities/_compute/_aml_compute_node_info.py

@@ -15,6 +15,7 @@ class AmlComputeNodeInfo:
     def __init__(self) -> None:
         self.node_id = None
         self.private_ip_address = None
+        self.public_ip_address = None
         self.port = None
         self.node_state = None
         self.run_id: Optional[str] = None