Merge in 'release/6.0' changes

Author: dotnet-bot

eng/Version.Details.xml

@@ -49,9 +49,9 @@
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
       <Sha>a08d9ce2caf02455c0b825bcdc32974bdf769a80</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-rtm.23409.4">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-rtm.23516.3">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>4c92f73ee8c8e74bae51cba73186e1fc7e9c5e28</Sha>
+      <Sha>b28a2aad515e30baaa1bf8c4e98414086de24b76</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="6.0.0" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>

eng/Versions.props

@@ -97,6 +97,6 @@
     <SystemReflectionMetadataLoadContextPackage>System.Reflection.MetadataLoadContext</SystemReflectionMetadataLoadContextPackage>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>6.0.0-rtm.23409.4</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>6.0.0-rtm.23516.3</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>