Update dependency Soenneker.Tests.Unit to 4.0.956 (#1898)

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

Author: renovate[bot]

test/Soenneker.Utils.HttpClientCache.Tests/Soenneker.Utils.HttpClientCache.Tests.csproj

@@ -16,7 +16,7 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="Soenneker.Tests.Unit" Version="4.0.954" />
+        <PackageReference Include="Soenneker.Tests.Unit" Version="4.0.956" />
     <PackageReference Include="xUnit.v3" Version="3.2.0" /></ItemGroup>
 
     <ItemGroup>