docstr: Add threat intel downloader update-auth subparser
  
  manage.py threat-intel-downloader update-auth
docstr_tok: ["Add","threat","intel","downloader","update-auth","subparser","manage.py","threat-intel-downloader","update-auth"]
code: def _setup_threat_intel_auth_subparser(subparsers):
      """Add threat intel downloader update-auth subparser
  
      manage.py threat-intel-downloader update-auth
      """
      generate_subparser(
          subparsers,
          "update-auth",
          description="Enable, disable, or configure the threat intel downloader function",
          subcommand=True,
      )
  
file_path: streamalert/streamalert_cli/threat_intel_downloader/handler.py
imports: import re
  from streamalert.shared.logger import get_logger
  from streamalert.threat_intel_downloader.main import ThreatStream
  from streamalert_cli.helpers import user_input, save_parameter
  from streamalert_cli.utils import add_memory_arg, add_schedule_expression_arg, add_timeout_arg, CLICommand, generate_subparser, UniqueSortedListAction
label_desc: Use image node_id 3 for calling the ThreatIntelDownloaderCommand obj's underlying member method code with example usage: obj._setup_threat_intel_auth_subparser(subparsers) without return types