Update WPF-related NuGet packages

ILSpy/ILSpy.csproj

@@ -44,7 +44,7 @@
     <PackageReference Include="System.IO.Compression" Version="4.3.0" />
     <PackageReference Include="System.Reflection.Metadata" Version="$(SystemReflectionMetadataVersion)" />
     <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="$(SystemCompilerServicesUnsafeVersion)" />
-    <PackageReference Include="Dirkster.AvalonDock.Themes.VS2013" Version="4.70.2" />
+    <PackageReference Include="Dirkster.AvalonDock.Themes.VS2013" Version="4.70.3" />
     <PackageReference Include="Microsoft.VisualStudio.Composition" Version="17.2.41" />
     <PackageReference Include="System.Composition" Version="$(SystemCompositionVersion)" />
     <PackageReference Include="Mono.Cecil" Version="$(MonoCecilVersion)" />

packages.props

@@ -17,7 +17,7 @@
 		<RoslynVersion>4.3.0-2.final</RoslynVersion>
 		<MonoCecilVersion>0.11.4</MonoCecilVersion>
 		<AvalonEditVersion>6.1.3.50</AvalonEditVersion>
-		<WpfStylesToolboxVersion>2.7.6</WpfStylesToolboxVersion>
+		<WpfStylesToolboxVersion>2.8.4</WpfStylesToolboxVersion>
 		<NUnitVersion>3.13.3</NUnitVersion>
 		<NUnitAdapterVersion>4.2.1</NUnitAdapterVersion>
 		<JUnitXmlTestLoggerVersion>3.0.114</JUnitXmlTestLoggerVersion>