Using pprof in Piped guide link redirect to 404 not found

**What happened**:

<img width="920" height="226" alt="Image" src="https://github.com/user-attachments/assets/bf751466-0731-4258-99a3-d54b5b6a920e" />

This link is returning 404 not found error.


**What you expected to happen**:
The link should be reachable.

**How to reproduce it**:
Go to 9th question in https://pipecd.dev/docs-dev/faq/.

**Environment**:
- `pipecd docs` version:dev
