updated specs

Author: Andrei Neagu

services/dynamic-sidecar/openapi.json

@@ -208,6 +208,7 @@
           "containers"
         ],
         "summary": "Get Containers Activity",
+        "description": "If user service declared an inactivity hook, this enpoint provides\ninforamtion about how much time has passed since the service became inactive.",
         "operationId": "get_containers_activity_v1_containers_activity_get",
         "responses": {
           "200": {