[Event Hubs Client] October Republishing Post-release (Azure#15566)

The focus of these changes is to complete for republishing of the October
packages to correct a build pipeline issue that exposed an internal
dependency, blocking customer use.

Author: jsquire

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

@@ -1,5 +1,7 @@
 # Release History
 
+## 5.3.0-beta.4 (Unreleased)
+
 ## 5.3.0-beta.3 (2020-09-30)
 
 ### Changes

sdk/eventhub/Azure.Messaging.EventHubs.Processor/src/Azure.Messaging.EventHubs.Processor.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Description>Azure Event Hubs is a highly scalable publish-subscribe service that can ingest millions of events per second and stream them to multiple consumers.  This library extends its Event Processor with durable storage for checkpoint information using Azure Blob storage.  For more information about Event Hubs, see https://azure.microsoft.com/en-us/services/event-hubs/</Description>
-    <Version>5.3.0-beta.3</Version>
+    <Version>5.3.0-beta.4</Version>
     <ApiCompatVersion>5.2.0</ApiCompatVersion>
     <PackageTags>Azure;Event Hubs;EventHubs;.NET;Event Processor;EventProcessor;$(PackageCommonTags)</PackageTags>
     <TargetFrameworks>$(RequiredTargetFrameworks)</TargetFrameworks>