Update dependencies from...

Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int build 20220815.2 (#6899)

[release/6.0] Update dependencies from dnceng/internal/dotnet-wpf-int

eng/Version.Details.xml

@@ -49,9 +49,9 @@
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
       <Sha>0ec02c8c96e2eda06dc5b5edfdbdba0f36415082</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-rtm.22412.6">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-rtm.22415.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>349fb5a13814e6bac5435ff5595ecc9b043e6315</Sha>
+      <Sha>2ff9f177d3c814a6682f22bc717c953079717585</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.22412.6</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>6.0.0-rtm.22415.2</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>