[P2] Update probing tutorial

[aryamanarora]

Use modern configs in probing tutorial + minor edits. For @jkallini to use 🙇 .

Description

Use modern pyvene API in configs in probing tutorial.

Testing Done

Ran locally.

Checklist:

• [x] My PR title strictly follows the format: [Your Priority] Your Title
• [x] I have attached the testing log above
• [x] I provide enough comments to my code
• [x] I have changed documentations
• [x] I have added tests for my changes

[frankaging]

waow, thanks!