Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-winforms build 20231109.9

Microsoft.Dotnet.WinForms.ProjectTemplates , Microsoft.Private.Winforms
 From Version 6.0.25-servicing.23519.16 -> To Version 6.0.26-servicing.23559.9

Author: dotnet-bot

NuGet.config

@@ -6,6 +6,8 @@
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
     <add key="darc-int-dotnet-runtime-492abbe" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-492abbee/nuget/v3/index.json" />
+    <add key="darc-int-dotnet-runtime-492abbe-2" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-492abbee-2/nuget/v3/index.json" />
+    <add key="darc-int-dotnet-runtime-492abbe-1" value="https://pkgs.dev.azure.com/dnceng/internal/_packaging/darc-int-dotnet-runtime-492abbee-1/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
@@ -19,6 +21,8 @@
   <disabledPackageSources>
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
+    <add key="darc-int-dotnet-runtime-492abbe-1" value="true" />
+    <add key="darc-int-dotnet-runtime-492abbe-2" value="true" />
     <add key="darc-int-dotnet-runtime-492abbe" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->

eng/Version.Details.xml

@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.Private.Winforms" Version="6.0.25-servicing.23519.16">
+    <Dependency Name="Microsoft.Private.Winforms" Version="6.0.26-servicing.23559.9">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-winforms</Uri>
-      <Sha>d4ee94199afb6c67ed448c252a07c0747c089e41</Sha>
+      <Sha>c9a52ccb171fa4685cf6c273030f0a37ca2466d0</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="6.0.25-servicing.23519.16">
+    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="6.0.26-servicing.23559.9">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-winforms</Uri>
-      <Sha>d4ee94199afb6c67ed448c252a07c0747c089e41</Sha>
+      <Sha>c9a52ccb171fa4685cf6c273030f0a37ca2466d0</Sha>
     </Dependency>
     <Dependency Name="System.CodeDom" Version="6.0.0" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>

eng/Versions.props

@@ -26,7 +26,7 @@
   </PropertyGroup>
   <!-- NuGet Package Versions -->
   <PropertyGroup>
-    <MicrosoftPrivateWinformsVersion>6.0.25-servicing.23519.16</MicrosoftPrivateWinformsVersion>
+    <MicrosoftPrivateWinformsVersion>6.0.26-servicing.23559.9</MicrosoftPrivateWinformsVersion>
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/coreclr -->
   <PropertyGroup>