chore: apply suggestions from code review

Co-authored-by: Andrea Williams <54914403+andrea-williams@users.noreply.github.com>

bc_obps/service/user_operator_service_v2.py

@@ -121,7 +121,7 @@ def list_user_operators_v2(
     def update_status_and_create_contact(
         cls, user_operator_id: UUID, payload: UserOperatorStatusUpdate, admin_user_guid: UUID
     ) -> UserOperator:
-        "Function to update the user_operator status. If they are being approved, we create a Contact record for them."
+        """Function to update the user_operator status. If they are being approved, we create a Contact record for them."""
         admin_user: User = UserDataAccessService.get_by_guid(admin_user_guid)
         user_operator: UserOperator = UserOperatorDataAccessService.get_user_operator_by_id(user_operator_id)