docs(fastapi-patterns): import Depends in the router example

The users router uses Depends() for OAuth2PasswordRequestForm but the
import line omits it, so the module raises NameError on import.
Regenerated pi/core with scripts/build-pi-core.js.

Signed-off-by: Wen <jwcastillo@gmail.com>
(cherry picked from commit d383fb57e9)

skills/fastapi-patterns/SKILL.md

@@ -229,7 +229,7 @@ ActiveUserDep = Annotated[User, Depends(get_current_active_user)]
 ```python
 # app/routers/users.py
 from typing import Annotated
-from fastapi import APIRouter, HTTPException, Query, status
+from fastapi import APIRouter, Depends, HTTPException, Query, status
 from fastapi.security import OAuth2PasswordRequestForm
 
 from app.dependencies import ActiveUserDep, DbDep