Update dependency Soenneker.Utils.HttpClientCache to 4.0.1839

Author: renovate[bot]

src/Soenneker.SemanticKernel.Pool.Gemini.csproj

@@ -43,6 +43,6 @@
     <ItemGroup>
         <PackageReference Include="Microsoft.SemanticKernel.Connectors.Google" Version="1.51.0-alpha" />
         <PackageReference Include="Soenneker.SemanticKernel.Pool" Version="4.0.228" />
-        <PackageReference Include="Soenneker.Utils.HttpClientCache" Version="4.0.1838" />
+        <PackageReference Include="Soenneker.Utils.HttpClientCache" Version="4.0.1839" />
     </ItemGroup>
 </Project>