Query the firmware versions.

async def query_firmware(self):
        """Query the firmware versions."""

        _version = await self.request.get(join_path(self._base_path, "/fwversion"))
        _fw = _version.get("firmware")
        if _fw:
            _main = _fw.get("mainProcessor")
            if _main:
                self._main_processor_version = self._make_version(_main)
            _radio = _fw.get("radio")
            if _radio:
                self._radio_version = self._make_version(_radio)