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.
subcommands=DB_COMMANDS,
    ),
    ActionCommand(
        name="kerberos",
        help="Start a kerberos ticket renewer",
        func=lazy_load_command("airflow.cli.commands.kerberos_command.kerberos"),
        args=(
            ARG_PRINCIPAL,
            ARG_KEYTAB,
            ARG_PID,
            ARG_DAEMON,
            ARG_STDOUT,
            ARG_STDERR,
            ARG_LOG_FILE,
            ARG_VERBOSE,
        ),
    ),
    ActionCommand(
        name="webserver",
        help="Start a Airflow webserver instance",
        func=lazy_load_command("airflow.cli.commands.webserver_command.webserver"),
        args=(
            ARG_PORT,
            ARG_WORKERS,
            ARG_WORKERCLASS,
            ARG_WORKER_TIMEOUT,
            ARG_HOSTNAME,
            ARG_PID,
            ARG_DAEMON,
            ARG_STDOUT,