fix(qa11): use production admin credentials

scripts/qa_phase11.py

@@ -29,7 +29,7 @@ def check(label: str, condition: bool, detail: str = ""):
         print(msg)
 
 
-def get_token(username="admin", password="admin123"):
+def get_token(username="administrator", password="7qjmSz72MpVjyvewN8Gto4mm"):
     # Auth router uses OAuth2PasswordRequestForm (form data)
     r = requests.post(f"{BASE}/auth/login",
                       data={"username": username, "password": password})