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.
ARG_SAVE,
            ARG_IMGCAT,
            ARG_VERBOSE,
        ),
    ),
    ActionCommand(
        name="show-dependencies",
        help="Displays DAGs with their dependencies",
        description=(
            "The --imgcat option only works in iTerm.\n"
            "\n"
            "For more information, see: https://www.iterm2.com/documentation-images.html\n"
            "\n"
            "The --save option saves the result to the indicated file.\n"
            "\n"
            "The file format is determined by the file extension. "
            "For more information about supported "
            "format, see: https://www.graphviz.org/doc/info/output.html\n"
            "\n"
            "If you want to create a PNG file then you should execute the following command:\n"
            "airflow dags show-dependencies --save output.png\n"
            "\n"
            "If you want to create a DOT file then you should execute the following command:\n"
            "airflow dags show-dependencies --save output.dot\n"
        ),
        func=lazy_load_command("airflow.cli.commands.dag_command.dag_dependencies_show"),
        args=(
            ARG_SUBDIR,
            ARG_SAVE,
            ARG_IMGCAT,