[5.0.x] Refs #32275 -- Added scrypt password hasher to PASSWORD_HASHERS setting docs.

Backport of 90c75dc4f37bee19b7c3790519d187e38e293800 from main

docs/ref/settings.txt

@@ -3103,6 +3103,7 @@ Default::
         "django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher",
         "django.contrib.auth.hashers.Argon2PasswordHasher",
         "django.contrib.auth.hashers.BCryptSHA256PasswordHasher",
+        "django.contrib.auth.hashers.ScryptPasswordHasher",
     ]
 
 .. setting:: AUTH_PASSWORD_VALIDATORS