Upgraded MailKit nuget package

Author: stidsborg

Samples/Cleipnir.Flows.Sample.Presentation/Cleipnir.Flows.Sample.Presentation.csproj

@@ -12,7 +12,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="MailKit" Version="4.12.0" />
+        <PackageReference Include="MailKit" Version="4.12.1" />
         <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.4" />
         <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
     </ItemGroup>