Detected blocking call to import_module inside the event loop

[canton7]

Detected blocking call to import_module inside the event loop by custom integration 'foxess_modbus' at custom_components/foxess_modbus/client/modbus_client.py, line 203: if auto_connect and hasattr(self._client, "connected") and not self._client.connected: (offender: /usr/local/lib/python3.12/site-packages/serial/__init__.py, line 74: importlib.import_module(package_name)), please create a bug report at https://github.com/nathanmarlor/foxess_modbus/issues
Detected blocking call to import_module inside the event loop by custom integration 'foxess_modbus' at custom_components/foxess_modbus/client/modbus_client.py, line 203: if auto_connect and hasattr(self._client, "connected") and not self._client.connected: (offender: /usr/local/lib/python3.12/site-packages/serial/__init__.py, line 75: handler_module = importlib.import_module(module_name, package_name)), please create a bug report at https://github.com/nathanmarlor/foxess_modbus/issues

Originally posted by @kozobera in #617