Update dependencies from https://github.com/dotnet/winforms build 20230828.7 (#8150)

[main] Update dependencies from dotnet/winforms

eng/Version.Details.xml

 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.Private.Winforms" Version="9.0.0-alpha.1.23427.1">
+    <Dependency Name="Microsoft.Private.Winforms" Version="9.0.0-alpha.1.23428.7">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>09973784bb56ac52303fc969aa864a3d22d8844d</Sha>
+      <Sha>ec406fb06c7e5acf5caffa3bef070709bc7dffe9</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="9.0.0-alpha.1.23427.1">
+    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="9.0.0-alpha.1.23428.7">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>09973784bb56ac52303fc969aa864a3d22d8844d</Sha>
+      <Sha>ec406fb06c7e5acf5caffa3bef070709bc7dffe9</Sha>
     </Dependency>
     <Dependency Name="System.Reflection.MetadataLoadContext" Version="9.0.0-alpha.1.23426.3" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>
@@ -150,9 +150,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>976c2ab862494ef05e2b61535a3d08e26f131145</Sha>
     </Dependency>
-    <Dependency Name="System.Drawing.Common" Version="9.0.0-alpha.1.23427.1">
+    <Dependency Name="System.Drawing.Common" Version="9.0.0-alpha.1.23428.7">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>09973784bb56ac52303fc969aa864a3d22d8844d</Sha>
+      <Sha>ec406fb06c7e5acf5caffa3bef070709bc7dffe9</Sha>
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>

eng/Versions.props

@@ -21,7 +21,7 @@
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/winforms -->
   <PropertyGroup>
-    <MicrosoftPrivateWinformsVersion>9.0.0-alpha.1.23427.1</MicrosoftPrivateWinformsVersion>
+    <MicrosoftPrivateWinformsVersion>9.0.0-alpha.1.23428.7</MicrosoftPrivateWinformsVersion>
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/runtime -->
   <PropertyGroup>
@@ -32,7 +32,7 @@
     <SystemCodeDomPackageVersion>9.0.0-alpha.1.23426.3</SystemCodeDomPackageVersion>
     <SystemConfigurationConfigurationManagerPackageVersion>9.0.0-alpha.1.23426.3</SystemConfigurationConfigurationManagerPackageVersion>
     <SystemDiagnosticsEventLogPackageVersion>9.0.0-alpha.1.23426.3</SystemDiagnosticsEventLogPackageVersion>
-    <SystemDrawingCommonVersion>9.0.0-alpha.1.23427.1</SystemDrawingCommonVersion>
+    <SystemDrawingCommonVersion>9.0.0-alpha.1.23428.7</SystemDrawingCommonVersion>
     <SystemDirectoryServicesVersion>9.0.0-alpha.1.23426.3</SystemDirectoryServicesVersion>
     <SystemIOPackagingVersion>9.0.0-alpha.1.23426.3</SystemIOPackagingVersion>
     <SystemReflectionMetadataLoadContextVersion>9.0.0-alpha.1.23426.3</SystemReflectionMetadataLoadContextVersion>