chore: Upgrade NCronJob to latest stable

Author: linkdotnet

Directory.Packages.props

@@ -25,7 +25,7 @@
     <PackageVersion Include="Markdig" Version="0.39.1" />
     <PackageVersion Include="Microsoft.AspNetCore.Authentication.OpenIdConnect" Version="9.0.0" />
     <PackageVersion Include="Microsoft.Extensions.Options" Version="9.0.0" />
-    <PackageVersion Include="NCronJob" Version="3.3.8" />
+    <PackageVersion Include="NCronJob" Version="4.0.2" />
     <PackageVersion Include="ReverseMarkdown" Version="4.6.0" />
     <PackageVersion Include="System.ServiceModel.Syndication" Version="9.0.0" />
   </ItemGroup>