chore(deps): update .net test stack

Author: renovate[bot]

src/Directory.Packages.props

@@ -28,8 +28,8 @@
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <PackageVersion Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageVersion Include="TUnit" Version="1.46.0" />
-    <PackageVersion Include="Verify.TUnit" Version="31.17.0" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
+    <PackageVersion Include="Verify.TUnit" Version="31.18.0" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
     <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.7.0" />
     <PackageVersion Include="Microsoft.Testing.Platform.MSBuild" Version="2.2.3" />
     <PackageVersion Include="PublicApiGenerator" Version="11.5.4" />