Update dependencies from https://github.com/dotnet/winforms build 20201120.2 (#3839)

[release/5.0] Update dependencies from dotnet/winforms

eng/Version.Details.xml

 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.Private.Winforms" Version="5.0.1-servicing.20570.1">
+    <Dependency Name="Microsoft.Private.Winforms" Version="5.0.1-servicing.20570.2">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>4b398b9b51f3a7885313bb594a27078ab49f260b</Sha>
+      <Sha>bc418823aee07f5347cb7b82063e5bdf3bd1f21e</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="5.0.1-servicing.20570.1">
+    <Dependency Name="Microsoft.Dotnet.WinForms.ProjectTemplates" Version="5.0.1-servicing.20570.2">
       <Uri>https://github.com/dotnet/winforms</Uri>
-      <Sha>4b398b9b51f3a7885313bb594a27078ab49f260b</Sha>
+      <Sha>bc418823aee07f5347cb7b82063e5bdf3bd1f21e</Sha>
     </Dependency>
     <Dependency Name="Microsoft.Win32.Registry" Version="5.0.0" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>

eng/Versions.props

@@ -8,7 +8,7 @@
   </PropertyGroup>
   <!-- NuGet Package Versions -->
   <PropertyGroup>
-    <MicrosoftPrivateWinformsVersion>5.0.1-servicing.20570.1</MicrosoftPrivateWinformsVersion>
+    <MicrosoftPrivateWinformsVersion>5.0.1-servicing.20570.2</MicrosoftPrivateWinformsVersion>
   </PropertyGroup>
   <!-- Packages that come from https://github.com/dotnet/coreclr -->
   <PropertyGroup>