fix block user response example

Author: dan0505

descriptions/0/api.intercom.io.yaml

@@ -4789,7 +4789,7 @@ paths:
                     id: 6762f0e31bb69f9f2193bb87
                     external_id: '70'
                     type: contact
-                    archived: false
+                    blocked: true
               schema:
                 "$ref": "#/components/schemas/contact_blocked"
   "/conversations/{conversation_id}/tags":