chore(deps): update .net test stack

Author: renovate[bot]

src/ReactiveUI.Validation.Tests/ReactiveUI.Validation.Tests.csproj

@@ -16,8 +16,8 @@
     <PackageReference Include="Xunit.StaFact" Version="1.2.69" />
     <PackageReference Include="Microsoft.Reactive.Testing" Version="6.0.2" />
     <PackageReference Include="PublicApiGenerator" Version="11.4.6" />
-    <PackageReference Include="Verify.Xunit" Version="30.10.0" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageReference Include="Verify.Xunit" Version="30.19.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageReference Include="coverlet.msbuild" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>