[Feature] Stream Tool execution log

[Isaac4real]

Describe the bug
It would be helpful to be able to stream the outputs from tool(s) execution

related issue: #850
Code to reproduce the error
The simplest code snippet that produces your bug.

Error logs (if any)
Provide error logs if there are any.

Expected behavior
A clear and concise description of what you expected to happen.

Packages version:
Run pip freeze | grep smolagents and paste it here.

Additional context
Add any other context about the problem here.