chore(test deps): update dependency microsoft.net.test.sdk to v16.8.3 (#160)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

tests/KubeOps.Templates.Test/KubeOps.Templates.Test.csproj

@@ -8,7 +8,7 @@
 
     <ItemGroup>
         <PackageReference Include="FluentAssertions" Version="5.10.3" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
         <PackageReference Include="xunit" Version="2.4.1" />
         <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>