chore(deps): update .net test stack (#96)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/Directory.Packages.props

@@ -28,9 +28,9 @@
   </ItemGroup>
 
   <ItemGroup Label="Test packages">
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.6.2" />
     <PackageVersion Include="TUnit" Version="1.44.0" />
-    <PackageVersion Include="Verify.TUnit" Version="31.15.0" />
+    <PackageVersion Include="Verify.TUnit" Version="31.16.3" />
   </ItemGroup>
 </Project>