Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int build 20250530.1 (#10897)

Microsoft.DotNet.Wpf.DncEng
 From Version 10.0.0-preview.5.25222.1 -> To Version 10.0.0-preview.6.25280.1

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -22,9 +22,9 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>ac2aaf24d127067df385f2aa5ab35bb9b96d5f74</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="10.0.0-preview.5.25222.1">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="10.0.0-preview.6.25280.1">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>462eb030906d5cfcbcbbe22126855da1073cda15</Sha>
+      <Sha>5a079d0b04213669793487f309e2d0eb1d146d25</Sha>
     </Dependency>
     <Dependency Name="System.Resources.Extensions" Version="10.0.0-preview.6.25303.102">
       <Uri>https://github.com/dotnet/dotnet</Uri>

eng/Versions.props

@@ -139,6 +139,6 @@
     <SystemReflectionMetadataLoadContextPackage>System.Reflection.MetadataLoadContext</SystemReflectionMetadataLoadContextPackage>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>10.0.0-preview.5.25222.1</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>10.0.0-preview.6.25280.1</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>