chore(deps): update .net test stack

Author: renovate[bot]

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

@@ -11,12 +11,12 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
-    <PackageReference Include="NUnit" Version="4.4.0" />
+    <PackageReference Include="NUnit" Version="4.5.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="5.*" />
     <PackageReference Include="NUnit.Analyzers" Version="4.11.2" />
     <PackageReference Include="Microsoft.Reactive.Testing" Version="6.1.0" />
     <PackageReference Include="PublicApiGenerator" Version="11.5.4" />
-    <PackageReference Include="Verify.NUnit" Version="31.12.5" />
+    <PackageReference Include="Verify.NUnit" Version="31.13.1" />
     <PackageReference Include="coverlet.msbuild" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>