Regenerate client from commit c6dcde6 of spec repo

Author: ci.datadog-api-spec

.generator/schemas/v2/openapi.yaml

@@ -77079,12 +77079,13 @@ paths:
         schema:
           example: 3653d3c6-0c75-11ea-ad28-fb5701eabc7d
           type: string
-      - description: Retrieves the on-call user at the given timestamp (ISO-8601).
-          Defaults to the current time if omitted."
+      - description: Retrieves the on-call user at the given timestamp in RFC3339
+          format (for example, `2025-05-07T02:53:01+00:00`). Defaults to the current
+          time if omitted.
         in: query
         name: filter[at_ts]
         schema:
-          example: '2025-05-07T02:53:01Z'
+          example: '2025-05-07T02:53:01+00:00'
           type: string
       responses:
         '200':