Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int build 20250919.1 (#11131)

On relative base path root
Microsoft.DotNet.Wpf.DncEng From Version 10.0.0-preview.7.25317.2 -> To Version 10.0.0-rc.2.25469.1

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

Author: dotnet-maestro[bot]

eng/Version.Details.props

@@ -33,7 +33,7 @@ This file should be imported by eng/Versions.props
     <SystemSecurityPermissionsPackageVersion>10.0.0-rc.2.25464.104</SystemSecurityPermissionsPackageVersion>
     <SystemWindowsExtensionsPackageVersion>10.0.0-rc.2.25464.104</SystemWindowsExtensionsPackageVersion>
     <!-- _git/dotnet-wpf-int dependencies -->
-    <MicrosoftDotNetWpfDncEngPackageVersion>10.0.0-preview.7.25317.2</MicrosoftDotNetWpfDncEngPackageVersion>
+    <MicrosoftDotNetWpfDncEngPackageVersion>10.0.0-rc.2.25469.1</MicrosoftDotNetWpfDncEngPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>

eng/Version.Details.xml

@@ -22,9 +22,9 @@
       <Uri>https://github.com/dotnet/dotnet</Uri>
       <Sha>87cc9e9aebf530502d4450dd9b4682b8caa722b2</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="10.0.0-preview.7.25317.2">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="10.0.0-rc.2.25469.1">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>8a6c1d81657ef04c040f598cafacf8f5a33abda2</Sha>
+      <Sha>151a7f34cfb8040d28ffff62993bbc18dc56eea4</Sha>
     </Dependency>
     <Dependency Name="System.Resources.Extensions" Version="10.0.0-rc.2.25464.104">
       <Uri>https://github.com/dotnet/dotnet</Uri>