Update for AvalonDock (https://github.com/Dirkster99/AvalonDock/releases) and VS-MEF (https://github.com/microsoft/vs-mef/releases/tag/v17.4.16)

ILSpy/ILSpy.csproj

@@ -44,8 +44,8 @@
     <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="4.71.0" />
-    <PackageReference Include="Microsoft.VisualStudio.Composition" Version="17.2.41" />
+    <PackageReference Include="Dirkster.AvalonDock.Themes.VS2013" Version="4.71.2" />
+    <PackageReference Include="Microsoft.VisualStudio.Composition" Version="17.4.16" />
     <PackageReference Include="System.Composition" Version="$(SystemCompositionVersion)" />
     <PackageReference Include="Mono.Cecil" Version="$(MonoCecilVersion)" />
     <PackageReference Include="DataGridExtensions" Version="2.5.14" />