Add integration_type service to imgw_pib (#159172)

homeassistant/components/imgw_pib/manifest.json

@@ -4,6 +4,7 @@
   "codeowners": ["@bieniu"],
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/imgw_pib",
+  "integration_type": "service",
   "iot_class": "cloud_polling",
   "quality_scale": "platinum",
   "requirements": ["imgw_pib==1.6.0"]

homeassistant/generated/integrations.json

@@ -3022,7 +3022,7 @@
     },
     "imgw_pib": {
       "name": "IMGW-PIB",
-      "integration_type": "hub",
+      "integration_type": "service",
       "config_flow": true,
       "iot_class": "cloud_polling"
     },