Add integration_type to Husqvarna Automower (home-assistant#154642)

Author: Thomas55555

homeassistant/components/husqvarna_automower/manifest.json

@@ -5,6 +5,7 @@
   "config_flow": true,
   "dependencies": ["application_credentials"],
   "documentation": "https://www.home-assistant.io/integrations/husqvarna_automower",
+  "integration_type": "hub",
   "iot_class": "cloud_push",
   "loggers": ["aioautomower"],
   "quality_scale": "silver",