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

Author: ENikS

src/Unity.Microsoft.Options.csproj

@@ -62,7 +62,6 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="System.ValueTuple" Version="4.5.*" />
   </ItemGroup>
 
 </Project>

tests/Unity.Microsoft.Options.Tests.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="1.4.0" />
     <PackageReference Include="MSTest.TestFramework" Version="1.4.0" />
   </ItemGroup>