Implement attemp.duration

[fjtirado]

The current text spec is kind of confusing regarding max duration attemtp for retries.
https://github.com/serverlessworkflow/specification/blob/main/dsl-reference.md#retry-limit

Once it is clarified, we should proceeed implementing it.

[matheusandre1]

Once it is clarified, @fjtirado you can assign that to me...

[mcruzdev]

Hi @matheusandre1, sorry I need to get this one