https://github.com/apache/airflow/pull/27892 added Internal API as part of Webserver.

We need to introduce `airlfow internal-api` CLI command that starts Internal API as a independent component.
ActionCommand(
        name="flower",
        help="Start a Celery Flower",
        func=lazy_load_command("airflow.cli.commands.celery_command.flower"),
        args=(
            ARG_FLOWER_HOSTNAME,
            ARG_FLOWER_PORT,
            ARG_FLOWER_CONF,
            ARG_FLOWER_URL_PREFIX,
            ARG_FLOWER_BASIC_AUTH,
            ARG_BROKER_API,
            ARG_PID,
            ARG_DAEMON,
            ARG_STDOUT,
            ARG_STDERR,
            ARG_LOG_FILE,
            ARG_VERBOSE,
        ),
    ),
    ActionCommand(
        name="stop",
        help="Stop the Celery worker gracefully",
        func=lazy_load_command("airflow.cli.commands.celery_command.stop_worker"),
        args=(ARG_PID, ARG_VERBOSE),
    ),
)
CONFIG_COMMANDS = (
    ActionCommand(
        name="get-value",
        help="Print the value of the configuration",