chore(deps): update .net test stack (major) (#309)

chore(deps): update .net test stack

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

Author: renovate[bot]

src/Directory.Packages.props

@@ -30,7 +30,7 @@
     <PackageVersion Include="Avalonia.Desktop" Version="11.3.7" />
     <PackageVersion Include="Microsoft.Extensions.Logging.Debug" Version="9.0.0" />
     <PackageVersion Include="ReactiveUI.Maui" Version="22.1.1" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageVersion Include="System.Formats.Asn1" Version="9.0.0" />
     <PackageVersion Include="xunit" Version="2.9.3" />
     <PackageVersion Include="xunit.runner.console" Version="2.9.3" />
@@ -40,7 +40,7 @@
     <PackageVersion Include="Microsoft.Reactive.Testing" Version="6.1.0" />
     <PackageVersion Include="PublicApiGenerator" Version="11.5.0" />
     <PackageVersion Include="coverlet.msbuild" Version="6.0.4" />
-    <PackageVersion Include="Verify.Xunit" Version="30.20.1" />
+    <PackageVersion Include="Verify.Xunit" Version="31.0.2" />
     <PackageVersion Include="Verify.SourceGenerators" Version="2.5.0" />
     <PackageVersion Include="ReactiveMarbles.SourceGenerator.TestNuGetHelper" Version="1.3.1" />
     <PackageVersion Include="Basic.Reference.Assemblies.Net80" Version="1.8.3" />