[FEATURE] add `#-turn` information to the `ChatTask` when using the `to_argilla` method

[davidberenstein1957]

Is your feature request related to a problem? Please describe. In this PR, we introduced the ChatTask but we want to add as much information to the data we send to argilla.

Describe the solution you'd like

ds.add_metada_property(
   rg.IntMetadataProperty(
       name="number_of_turns"
       min=0
       max=100
   )

Describe alternatives you've considered N.A.

Additional context N.A.