Merge pull request #79 from swoolcock/dependabot/nuget/Microsoft.NET.Test.Sdk-16.8.0

Bump Microsoft.NET.Test.Sdk from 16.7.1 to 16.8.0

Author: swoolcock

osu.Game.Rulesets.Rush.Tests/osu.Game.Rulesets.Rush.Tests.csproj

@@ -10,7 +10,7 @@
     </PropertyGroup>
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.0" />
     <PackageReference Include="NUnit" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
   </ItemGroup>