Add deebot N20 combo

[Johan854]

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• I have read the above text and I'm aware of the situation
• I have searched the existing issues and no issue is describing my issue
• I have installed the latest version

The feature you want to suggest

[33m2025-11-09 13:19:30.626 WARNING (MainThread) [deebot_client.api_client] Device class "eup9ax" not recognized. Please add support for it: {'did': '[REMOVED]', 'name': 'E0AE35090F1FPNGP0232', 'class': 'eup9ax', 'resource': '6F6F', 'company': 'eco-ng', 'bindTs': 1762601006912, 'service': {'jmq': 'jmq-ngiot-eu.dc.ww.ecouser.net', 'mqs': 'api-ngiot.dc-eu.ww.ecouser.net'}, 'deviceName': 'DEEBOT N20 COMBO', 'icon': 'https://api-app.dc-eu.ww.ecouser.net/api/pim/file/get/677c864c2a583a9e1ac8700a', 'ota': True, 'UILogicId': 'y2combo_ww_h_y2h5', 'materialNo': '110-2437-0000', 'pid': '6695c9c0656502cf96790104', 'product_category': 'DEEBOT', 'model': 'N20_COMBO_INT', 'updateInfo': {'needUpdate': False, 'changeLog': ''}, 'nick': 'R2D2', 'homeId': '690f269db345ca000755d09b', 'homeSort': 1, 'status': 1, 'otaUpgrade': {}}[0m
[33m2025-11-09 13:19:30.627 WARNING (MainThread) [homeassistant.components.ecovacs.controller] Device "DEEBOT N20 COMBO" not supported. More information at https://github.com//issues/612: {'did': '76530344-d621-4dcd-a858-f885e01c64c1', 'name': 'E0AE35090F1FPNGP0232', 'class': 'eup9ax', 'resource': '6F6F', 'company': 'eco-ng', 'bindTs': 1762601006912, 'service': {'jmq': 'jmq-ngiot-eu.dc.ww.ecouser.net', 'mqs': 'api-ngiot.dc-eu.ww.ecouser.net'}, 'deviceName': 'DEEBOT N20 COMBO', 'icon': 'https://api-app.dc-eu.ww.ecouser.net/api/pim/file/get/677c864c2a583a9e1ac8700a', 'ota': True, 'UILogicId': 'y2combo_ww_h_y2h5', 'materialNo': '110-2437-0000', 'pid': '6695c9c0656502cf96790104', 'product_category': 'DEEBOT', 'model': 'N20_COMBO_INT', 'updateInfo': {'needUpdate': False, 'changeLog': ''}, 'nick': 'R2D2', 'homeId': '690f269db345ca000755d09b', 'homeSort': 1, 'status': 1, 'otaUpgrade': {}}[0m