Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-windowsdesktop build 20250920.2

On relative base path root
Microsoft.WindowsDesktop.App.Ref , Microsoft.WindowsDesktop.App.Runtime.win-x64 From Version 8.0.20 -> To Version 8.0.21
VS.Redist.Common.WindowsDesktop.SharedFramework.x64.8.0 , VS.Redist.Common.WindowsDesktop.TargetingPack.x64.8.0 From Version 8.0.20-servicing.25421.3 -> To Version 8.0.21-servicing.25470.2

Dependency coherency updates
On relative base path root
Microsoft.NET.Sdk.WindowsDesktop From Version 8.0.20-servicing.25420.2 -> To Version 8.0.21-servicing.25465.5 (parent: Microsoft.WindowsDesktop.App.Ref)

Author: dotnet-bot

NuGet.config

@@ -28,6 +28,7 @@
     <add key="darc-pub-dotnet-templating-a2c4545" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-a2c45457/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
+    <add key="darc-int-dotnet-windowsdesktop-20574c2" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-windowsdesktop-20574c2d/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-windowsdesktop -->
     <!--  Begin: Package sources from dotnet-winforms -->
     <!--  End: Package sources from dotnet-winforms -->
@@ -65,6 +66,7 @@
     <add key="darc-int-dotnet-runtime-2913e6f" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
+    <add key="darc-int-dotnet-windowsdesktop-20574c2" value="true" />
     <!--  Begin: Package sources from dotnet-winforms -->
     <!--  End: Package sources from dotnet-winforms -->
     <!--  End: Package sources from dotnet-windowsdesktop -->

eng/Version.Details.xml

@@ -228,25 +228,25 @@
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
       <Sha>5535e31a712343a63f5d7d796cd874e563e5ac14</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.WindowsDesktop.App.Runtime.win-x64" Version="8.0.20">
+    <Dependency Name="Microsoft.WindowsDesktop.App.Runtime.win-x64" Version="8.0.21">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-windowsdesktop</Uri>
-      <Sha>2540f0e77435ce41beaadc94cc0d10ac9981b5a7</Sha>
+      <Sha>20574c2d4e49f4d8663f0ea4adbe66d72b4afe8a</Sha>
     </Dependency>
-    <Dependency Name="VS.Redist.Common.WindowsDesktop.SharedFramework.x64.8.0" Version="8.0.20-servicing.25421.3">
+    <Dependency Name="VS.Redist.Common.WindowsDesktop.SharedFramework.x64.8.0" Version="8.0.21-servicing.25470.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-windowsdesktop</Uri>
-      <Sha>2540f0e77435ce41beaadc94cc0d10ac9981b5a7</Sha>
+      <Sha>20574c2d4e49f4d8663f0ea4adbe66d72b4afe8a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.WindowsDesktop.App.Ref" Version="8.0.20">
+    <Dependency Name="Microsoft.WindowsDesktop.App.Ref" Version="8.0.21">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-windowsdesktop</Uri>
-      <Sha>2540f0e77435ce41beaadc94cc0d10ac9981b5a7</Sha>
+      <Sha>20574c2d4e49f4d8663f0ea4adbe66d72b4afe8a</Sha>
     </Dependency>
-    <Dependency Name="VS.Redist.Common.WindowsDesktop.TargetingPack.x64.8.0" Version="8.0.20-servicing.25421.3">
+    <Dependency Name="VS.Redist.Common.WindowsDesktop.TargetingPack.x64.8.0" Version="8.0.21-servicing.25470.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-windowsdesktop</Uri>
-      <Sha>2540f0e77435ce41beaadc94cc0d10ac9981b5a7</Sha>
+      <Sha>20574c2d4e49f4d8663f0ea4adbe66d72b4afe8a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.NET.Sdk.WindowsDesktop" Version="8.0.20-servicing.25420.2" CoherentParentDependency="Microsoft.WindowsDesktop.App.Ref">
+    <Dependency Name="Microsoft.NET.Sdk.WindowsDesktop" Version="8.0.21-servicing.25465.5" CoherentParentDependency="Microsoft.WindowsDesktop.App.Ref">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf</Uri>
-      <Sha>7b95ca673ef08b7325429a3b675184b815482564</Sha>
+      <Sha>e912353a4ce429ff5800121e4726667b4748cdf8</Sha>
     </Dependency>
     <Dependency Name="Microsoft.AspNetCore.App.Ref" Version="8.0.21">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-aspnetcore</Uri>

eng/Versions.props

@@ -187,7 +187,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/dotnet/wpf -->
-    <MicrosoftNETSdkWindowsDesktopPackageVersion>8.0.20-servicing.25420.2</MicrosoftNETSdkWindowsDesktopPackageVersion>
+    <MicrosoftNETSdkWindowsDesktopPackageVersion>8.0.21-servicing.25465.5</MicrosoftNETSdkWindowsDesktopPackageVersion>
   </PropertyGroup>
   <PropertyGroup Label="Manually updated">
     <!-- Dependencies from https://github.com/microsoft/MSBuildLocator -->