update uwp ver

Rx.NET/Source/Directory.build.props

@@ -26,16 +26,13 @@
   <ItemGroup Condition="'$(IsTestProject)' != 'true' and '$(SourceLinkEnabled)' != 'false'">
     <PackageReference Include="SourceLink.Create.CommandLine" Version="2.1.2" PrivateAssets="All" /> 
   </ItemGroup>
-  
-  <!-- Workaround -->
-  <Target Name="GetPackagingOutputs" />
-  
+    
   <PropertyGroup>
-    <NerdbankGitVersioningVersion>2.0.21-beta</NerdbankGitVersioningVersion>
+    <NerdbankGitVersioningVersion>2.0.37-beta</NerdbankGitVersioningVersion>
   </PropertyGroup>
   
   <ItemGroup>
-    <PackageReference Include="Nerdbank.GitVersioning" Version="2.0.21-beta" PrivateAssets="all" />
+    <PackageReference Include="Nerdbank.GitVersioning" Version="2.0.37-beta" PrivateAssets="all" />
   </ItemGroup>
 
   <!-- https://github.com/NuGet/Home/issues/4337 -->

Rx.NET/Source/Directory.build.targets

@@ -23,6 +23,6 @@
   
   <!-- UWP -->
   <ItemGroup Condition=" '$(TargetFramework)' == 'uap10.0' ">
-    <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform " Version="5.2.2" />
+    <PackageReference Include="Microsoft.NETCore.UniversalWindowsPlatform" Version="5.2.3" />
   </ItemGroup>
 </Project>