Update dependency Soenneker.Utils.Test to 4.0.321 (#1015)

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

Author: renovate[bot]

test/Soenneker.Utils.RateLimiting.Executor.Tests/Soenneker.Utils.RateLimiting.Executor.Tests.csproj

@@ -17,7 +17,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Soenneker.Utils.Test" Version="4.0.320" />
+        <PackageReference Include="Soenneker.Utils.Test" Version="4.0.321" />
         <PackageReference Include="Soenneker.Tests.HostedUnit" Version="4.0.120" />
         <PackageReference Include="TUnit" Version="1.59.0" />
     </ItemGroup>