Upgrade package versions

Author: commonsensesoftware

examples/AspNet/Directory.Build.props

@@ -8,7 +8,7 @@
  </PropertyGroup>
 
  <ItemGroup>
-  <PackageReference Include="Microsoft.AspNet.WebApi.OwinSelfHost" Version="5.2.7" />
+  <PackageReference Include="Microsoft.AspNet.WebApi.OwinSelfHost" Version="5.2.9" />
  </ItemGroup>
 
  <ItemGroup>

src/AspNet/Directory.Build.targets

@@ -4,7 +4,7 @@
  <Import Project="$([MSBuild]::GetPathOfFileAbove('$(MSBuildThisFile)','$(MSBuildThisFileDirectory)../'))" />
 
 <ItemGroup>
-  <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.$(TargetFramework)" Version="1.0.2" PrivateAssets="All" />
+  <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.$(TargetFramework)" Version="1.0.3" PrivateAssets="All" />
  </ItemGroup>
 
 </Project>