chore(deps): update dependency tunit to 1.9.81 (#452)

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

Author: renovate[bot]

Directory.Packages.props

@@ -18,7 +18,7 @@
     <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.3.2" />
     <PackageVersion Include="NetEvolve.Extensions.TUnit" Version="3.5.3" />
     <PackageVersion Include="NSubstitute" Version="5.3.0" />
-    <PackageVersion Include="TUnit" Version="1.9.68" />
+    <PackageVersion Include="TUnit" Version="1.9.81" />
     <PackageVersion Include="Ulid" Version="1.4.1" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net10.0'">