📝 Replace email with username in docs_src/security/tutorial007 code examples (#10649)

docs_src/security/tutorial007.py

@@ -22,7 +22,7 @@ def get_current_username(credentials: HTTPBasicCredentials = Depends(security)):
     if not (is_correct_username and is_correct_password):
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Incorrect email or password",
+            detail="Incorrect username or password",
             headers={"WWW-Authenticate": "Basic"},
         )
     return credentials.username