Add integration type to google (#157729)

Co-authored-by: Claude <noreply@anthropic.com>

homeassistant/components/google/manifest.json

@@ -5,6 +5,7 @@
   "config_flow": true,
   "dependencies": ["application_credentials"],
   "documentation": "https://www.home-assistant.io/integrations/google",
+  "integration_type": "service",
   "iot_class": "cloud_polling",
   "loggers": ["googleapiclient"],
   "requirements": ["gcal-sync==8.0.0", "oauth2client==4.1.3", "ical==11.1.0"]

homeassistant/generated/integrations.json

@@ -2488,7 +2488,7 @@
           "name": "Google Wifi"
         },
         "google": {
-          "integration_type": "hub",
+          "integration_type": "service",
           "config_flow": true,
           "iot_class": "cloud_polling",
           "name": "Google Calendar"