[Event Hubs] Release Prep: Feb, 2025 (Azure#48208)

* [Event Hubs] Release Prep: Feb, 2025

The focus of these changes is to prepare the Event Hubs core package for the
February 2025 release.

* Removing changelog section without content

Author: jsquire

sdk/eventhub/Azure.Messaging.EventHubs/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Release History
 
-## 5.12.0-beta.2 (Unreleased)
+## 5.12.0-beta.2 (2025-02-11)
 
 ### Acknowledgments
 
@@ -26,8 +26,6 @@ Thank you to our developer community members who helped to make the Event Hubs c
   - [EventHubsModelFactory.EventData](https://learn.microsoft.com/dotnet/api/azure.messaging.eventhubs.eventhubsmodelfactory.eventdata?view=azure-dotnet)
   - [BlobCheckpointStore.UpdateCheckpointAsync](https://learn.microsoft.com/dotnet/api/azure.messaging.eventhubs.primitives.blobcheckpointstore.updatecheckpointasync?view=azure-dotnet)
   - [EventProcessorClient.UpdateCheckpointAsync](https://learn.microsoft.com/dotnet/api/azure.messaging.eventhubs.eventprocessorclient.updatecheckpointasync?view=azure-dotnet)
-  
-### Breaking Changes
 
 ### Bugs Fixed