[WebPubSub] Change to PackageReference for release. (Azure#26188)

Author: JialinXin

eng/Packages.Data.props

@@ -100,6 +100,7 @@
 
     <!-- Other approved packages -->
     <PackageReference Update="Microsoft.Azure.Amqp" Version="2.5.8" />
+    <PackageReference Update="Microsoft.Azure.WebPubSub.Common" Version="1.1.0" />
     <PackageReference Update="Microsoft.Identity.Client" Version="4.39.0" />
     <PackageReference Update="Microsoft.Identity.Client.Extensions.Msal" Version="2.19.3" />
 

sdk/webpubsub/Microsoft.Azure.WebPubSub.AspNetCore/src/Microsoft.Azure.WebPubSub.AspNetCore.csproj

@@ -18,9 +18,17 @@
   </ItemGroup>
 
   <ItemGroup>
+    <Compile Include="..\..\Microsoft.Azure.WebPubSub.Common\src\Shared\ConnectionStatesConverter.cs" LinkBase="Shared" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <!--
+      TODO:Changing to a PackageReference since we only want to depend on the already GA'ed version of WebPubSub.  Change back after release.
     <ProjectReference Include="..\..\Azure.Messaging.WebPubSub\src\Azure.Messaging.WebPubSub.csproj" />
     <ProjectReference Include="..\..\Microsoft.Azure.WebPubSub.Common\src\Microsoft.Azure.WebPubSub.Common.csproj" />
-	<Compile Include="..\..\Microsoft.Azure.WebPubSub.Common\src\Shared\ConnectionStatesConverter.cs" LinkBase="Shared" />
+    -->
+    <PackageReference Include="Azure.Messaging.WebPubSub" />
+    <PackageReference Include="Microsoft.Azure.WebPubSub.Common" />
   </ItemGroup>
 
 </Project>