Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int build 20210223.3 (#4213)

Microsoft.DotNet.Wpf.DncEng
 From Version 6.0.0-preview.2.21116.2 -> To Version 6.0.0-preview.2.21123.3

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

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -65,7 +65,7 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>ec21beea1763aa539e1084e595a86a58d444036e</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.2.21116.2">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="6.0.0-preview.2.21123.3">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
       <Sha>55bb4fd101e83575b545f27105d575c1895a6b8a</Sha>
     </Dependency>

eng/Versions.props

@@ -89,6 +89,6 @@
     <SystemReflectionMetadataLoadContextPackage>System.Reflection.MetadataLoadContext</SystemReflectionMetadataLoadContextPackage>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>6.0.0-preview.2.21116.2</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>6.0.0-preview.2.21123.3</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>