Add integration_type hub to agent_dvr (home-assistant#158829)

Co-authored-by: Copilot <[email protected]>

Author: joostlek

homeassistant/components/agent_dvr/manifest.json

@@ -4,6 +4,7 @@
   "codeowners": ["@ispysoftware"],
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/agent_dvr",
+  "integration_type": "hub",
   "iot_class": "local_polling",
   "loggers": ["agent"],
   "requirements": ["agent-py==0.0.24"]