Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int build 20220524.2 (#6618)

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

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -49,9 +49,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>334989f6cc0600f9c12e9fa989dc1814c8300d1d</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="7.0.0-preview.5.22219.1">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="7.0.0-preview.6.22274.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>c7613b7eaa5fad9ca0c969c60324ec4f36849510</Sha>
+      <Sha>ab994681e79233817a7e7c8d2697a1ee023dc1e0</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="7.0.0-preview.5.22269.8" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>

eng/Versions.props

@@ -88,6 +88,6 @@
     <SystemReflectionMetadataLoadContextPackage>System.Reflection.MetadataLoadContext</SystemReflectionMetadataLoadContextPackage>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>7.0.0-preview.5.22219.1</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>7.0.0-preview.6.22274.2</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>