Mark as extension client library (Azure#23622)

Author: JoshLove-msft

eng/Packages.Data.props

@@ -80,7 +80,7 @@
     <PackageReference Update="Azure.Core.Amqp" Version="1.2.0" />
     <PackageReference Update="Azure.Core.Experimental" Version="0.1.0-preview.15" />
     <PackageReference Update="Azure.Messaging.EventHubs" Version="5.6.0" />
-    <PackageReference Update="Azure.Messaging.EventGrid" Version="4.5.0" />
+    <PackageReference Update="Azure.Messaging.EventGrid" Version="4.6.0" />
     <PackageReference Update="Azure.Messaging.ServiceBus" Version="7.2.1" />
     <PackageReference Update="Azure.Messaging.WebPubSub" Version="1.0.0-beta.2" />
     <PackageReference Update="Azure.Identity" Version="1.4.0" />

sdk/eventgrid/Microsoft.Azure.WebJobs.Extensions.EventGrid/src/Microsoft.Azure.WebJobs.Extensions.EventGrid.csproj

@@ -5,17 +5,11 @@
     <Version>3.0.0-beta.4</Version>
     <NoWarn>$(NoWarn);AZC0001;CS1591</NoWarn>
     <AssemblyOriginatorKeyFile>sign.snk</AssemblyOriginatorKeyFile>
+    <IsExtensionClientLibrary>true</IsExtensionClientLibrary>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Azure.WebJobs" />
-    <!-- Add back after next Event Grid GA -->
-    <!-- <PackageReference Include="Azure.Messaging.EventGrid" /> -->
+    <PackageReference Include="Azure.Messaging.EventGrid" />
   </ItemGroup>
-
-  <ItemGroup>
-    <!-- Remove after next Event Grid GA -->
-    <ProjectReference Include="..\..\Azure.Messaging.EventGrid\src\Azure.Messaging.EventGrid.csproj" />
-  </ItemGroup>
-
 </Project>