Update dependencies from https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int build 20200604.5 (#3091)

Microsoft.DotNet.Wpf.DncEng
 From Version 5.0.0-preview.6.20302.2 -> To Version 5.0.0-preview.6.20304.5

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

Author: dotnet-maestro[bot]

eng/Version.Details.xml

@@ -71,9 +71,9 @@
       <Uri>https://github.com/dotnet/runtime</Uri>
       <Sha>27dcce57c7fc4cfa6634f3f064edaa92f2f6eb83</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="5.0.0-preview.6.20302.2">
+    <Dependency Name="Microsoft.DotNet.Wpf.DncEng" Version="5.0.0-preview.6.20304.5">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-wpf-int</Uri>
-      <Sha>f0e14a3270f8dccc5d552db2842af88a60341335</Sha>
+      <Sha>e63c16d8d9d7e57d109c46c35a4a2f04328545c5</Sha>
     </Dependency>
     <Dependency Name="System.IO.Packaging" Version="5.0.0-preview.6.20279.7" CoherentParentDependency="Microsoft.Private.Winforms">
       <Uri>https://github.com/dotnet/runtime</Uri>

eng/Versions.props

@@ -96,6 +96,6 @@
     <SystemReflectionMetadataLoadContextPackage>System.Reflection.MetadataLoadContext</SystemReflectionMetadataLoadContextPackage>
   </PropertyGroup>
   <PropertyGroup>
-    <MicrosoftDotNetWpfDncEngVersion>5.0.0-preview.6.20302.2</MicrosoftDotNetWpfDncEngVersion>
+    <MicrosoftDotNetWpfDncEngVersion>5.0.0-preview.6.20304.5</MicrosoftDotNetWpfDncEngVersion>
   </PropertyGroup>
 </Project>