Merge pull request #198 from nickbabcock/dependabot/nuget/Microsoft.NET.Test.Sdk-16.9.1

Bump Microsoft.NET.Test.Sdk from 16.8.3 to 16.9.1

OhmGraphite.Test/OhmGraphite.Test.csproj

@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" />
     <PackageReference Include="xunit.runner.console" Version="2.4.1" />