Add stack trace benchmark

Inspired by https://x.com/techsavvytravvy/status/2021374345990574398:

> run the same failing validation for each, return the error that would be thrown, check how far down the current file is in the stack trace

<img width="1640" height="1794" alt="Image" src="https://github.com/user-attachments/assets/99e2ca71-37eb-4c68-97b6-7ca20890eba1" />