Merge branch 'master' of https://github.com/unitycontainer/microsoft-dependency-injection into v5.x

Author: ENikS

src/Unity.Microsoft.DependencyInjection.csproj

@@ -69,7 +69,6 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="System.ValueTuple" Version="4.5.*" />
   </ItemGroup>
 
 </Project>

tests/Unity.Microsoft.DependencyInjection.Tests.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1">
       <PrivateAssets>all</PrivateAssets>