Add integration type to google_translate (#157718)

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

homeassistant/components/google_translate/manifest.json

@@ -4,6 +4,7 @@
   "codeowners": [],
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/google_translate",
+  "integration_type": "service",
   "iot_class": "cloud_push",
   "loggers": ["gtts"],
   "requirements": ["gTTS==2.5.3"]

homeassistant/generated/integrations.json

@@ -2465,7 +2465,7 @@
           "name": "Google Tasks"
         },
         "google_translate": {
-          "integration_type": "hub",
+          "integration_type": "service",
           "config_flow": true,
           "iot_class": "cloud_push",
           "name": "Google Translate text-to-speech"