Bump Microsoft.ServiceFabric.Services from 7.1.2338 to 7.1.2448 in /docs/orleans/deployment/snippets/service-fabric/stateless in the dotnet group

Bump Microsoft.ServiceFabric.Services from 7.1.2338 to 7.1.2448 in /docs/orleans/deployment/snippets/service-fabric/stateless in the dotnet group #2260