Merge branch 'master' into feature/throw-helpers

Author: azchohfi

Microsoft.Toolkit.Uwp.Notifications/Microsoft.Toolkit.Uwp.Notifications.csproj

@@ -52,7 +52,8 @@
     <None Include="Microsoft.Toolkit.Uwp.Notifications.targets" Pack="true" PackagePath="build\native" />
   </ItemGroup>
 
-  <ItemGroup>
+  <!--Native (C++) doesn't need System.ValueTuple (plus it's incompatible with this package)-->
+  <ItemGroup Condition=" '$(TargetFramework)' != 'native' ">
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
   </ItemGroup>